{"id":596104,"date":"2022-04-29T09:13:43","date_gmt":"2022-04-29T09:13:43","guid":{"rendered":"https:\/\/www.indcareer.com\/schools\/?p=596104"},"modified":"2022-05-07T09:43:14","modified_gmt":"2022-05-07T09:43:14","slug":"selina-class-9-icse-solutions-mathematics-chapter-25-complementary-angles","status":"publish","type":"post","link":"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-25-complementary-angles\/","title":{"rendered":"Selina Class 9 ICSE Solutions Mathematics : Chapter 25-\u00a0Complementary Angles"},"content":{"rendered":"\n<p>Class 9: Maths Chapter 25 solutions. Complete Class 9 Maths Chapter 25 Notes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-selina-class-9-icse-solutions-mathematics-chapter-25-complementary-angles\">Selina Class 9 ICSE Solutions Mathematics : Chapter 25-&nbsp;Complementary Angles<\/h2>\n\n\n\n<p>Selina 9th Maths Chapter 25, Class 9 Maths Chapter 25 solutions<\/p>\n\n\n\n<p><strong>Exercise 25(A)<\/strong><\/p>\n\n\n\n<p><strong>Solution 1(i):<\/strong><br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/Selina-Concise-Mathematics-Class-9-ICSE-Solutions-Complementary-Angles-image-1.png\" alt=\"Selina Concise Mathematics Class 9 ICSE Solutions Complementary Angles image - 1\" width=\"279\" height=\"47\"><\/p>\n\n\n\n<p><strong>Solution 1(ii):<\/strong><br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/Selina-Concise-Mathematics-Class-9-ICSE-Solutions-Complementary-Angles-image-2.png\" alt=\"Selina Concise Mathematics Class 9 ICSE Solutions Complementary Angles image - 2\" width=\"283\" height=\"49\"><\/p>\n\n\n\n<p><strong>Solution 1(iii):<\/strong><br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/Selina-Concise-Mathematics-Class-9-ICSE-Solutions-Complementary-Angles-image-3.png\" alt=\"Selina Concise Mathematics Class 9 ICSE Solutions Complementary Angles image - 3\" width=\"314\" height=\"51\"><\/p>\n\n\n\n<p><strong>Solution 1(iv):<\/strong><br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/Selina-Concise-Mathematics-Class-9-ICSE-Solutions-Complementary-Angles-image-4.png\" alt=\"Selina Concise Mathematics Class 9 ICSE Solutions Complementary Angles image - 4\" width=\"256\" height=\"174\"><\/p>\n\n\n\n<p><strong>Solution 1(v):<\/strong><br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/Selina-Concise-Mathematics-Class-9-ICSE-Solutions-Complementary-Angles-image-5.png\" alt=\"Selina Concise Mathematics Class 9 ICSE Solutions Complementary Angles image - 5\" width=\"237\" height=\"103\"><\/p>\n\n\n\n<p><strong>Solution 1(vi):<\/strong><br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/Selina-Concise-Mathematics-Class-9-ICSE-Solutions-Complementary-Angles-image-6.png\" alt=\"Selina Concise Mathematics Class 9 ICSE Solutions Complementary Angles image - 6\" width=\"234\" height=\"98\"><\/p>\n\n\n\n<p><strong>Solution 1(vii):<\/strong><br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/Selina-Concise-Mathematics-Class-9-ICSE-Solutions-Complementary-Angles-image-7.png\" alt=\"Selina Concise Mathematics Class 9 ICSE Solutions Complementary Angles image - 7\" width=\"357\" height=\"90\"><\/p>\n\n\n\n<p><strong>Solution 1(viii):<\/strong><br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/Selina-Concise-Mathematics-Class-9-ICSE-Solutions-Complementary-Angles-image-8.png\" alt=\"Selina Concise Mathematics Class 9 ICSE Solutions Complementary Angles image - 8\" width=\"348\" height=\"112\"><\/p>\n\n\n\n<p><strong>Solution 2(i):<\/strong><br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/Selina-Concise-Mathematics-Class-9-ICSE-Solutions-Complementary-Angles-image-9.png\" alt=\"Selina Concise Mathematics Class 9 ICSE Solutions Complementary Angles image - 9\" width=\"292\" height=\"79\"><\/p>\n\n\n\n<p><strong>Solution 2(ii):<\/strong><br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/Selina-Concise-Mathematics-Class-9-ICSE-Solutions-Complementary-Angles-image-10.png\" alt=\"Selina Concise Mathematics Class 9 ICSE Solutions Complementary Angles image - 10\" width=\"217\" height=\"100\"><\/p>\n\n\n\n<p><strong>Solution 2(iii):<\/strong><br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/Selina-Concise-Mathematics-Class-9-ICSE-Solutions-Complementary-Angles-image-11.png\" alt=\"Selina Concise Mathematics Class 9 ICSE Solutions Complementary Angles image - 11\" width=\"274\" height=\"190\"><\/p>\n\n\n\n<p><strong>Solution 2(iv):<\/strong><br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/Selina-Concise-Mathematics-Class-9-ICSE-Solutions-Complementary-Angles-image-12.png\" alt=\"Selina Concise Mathematics Class 9 ICSE Solutions Complementary Angles image - 12.\" width=\"271\" height=\"173\"><\/p>\n\n\n\n<p><strong>Solution 2(v):<\/strong><br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/Selina-Concise-Mathematics-Class-9-ICSE-Solutions-Complementary-Angles-image-13.png\" alt=\"Selina Concise Mathematics Class 9 ICSE Solutions Complementary Angles image - 13\" width=\"303\" height=\"125\"><\/p>\n\n\n\n<p><strong>Solution 2(vi):<\/strong><br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/Selina-Concise-Mathematics-Class-9-ICSE-Solutions-Complementary-Angles-image-14.png\" alt=\"Selina Concise Mathematics Class 9 ICSE Solutions Complementary Angles image - 14\" width=\"399\" height=\"235\"><\/p>\n\n\n\n<p><strong>Solution 3(i):<\/strong><br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/Selina-Concise-Mathematics-Class-9-ICSE-Solutions-Complementary-Angles-image-15.png\" alt=\"Selina Concise Mathematics Class 9 ICSE Solutions Complementary Angles image - 15\" width=\"299\" height=\"249\"><\/p>\n\n\n\n<p><strong>Solution 3(ii):<\/strong><br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/Selina-Concise-Mathematics-Class-9-ICSE-Solutions-Complementary-Angles-image-16.png\" alt=\"Selina Concise Mathematics Class 9 ICSE Solutions Complementary Angles image - 16\" width=\"371\" height=\"198\"><\/p>\n\n\n\n<p><strong>Solution 4:<\/strong><br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/Selina-Concise-Mathematics-Class-9-ICSE-Solutions-Complementary-Angles-image-17.png\" alt=\"Selina Concise Mathematics Class 9 ICSE Solutions Complementary Angles image - 17\" width=\"241\" height=\"189\"><\/p>\n\n\n\n<p><strong>Solution 5:<\/strong><br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/Selina-Concise-Mathematics-Class-9-ICSE-Solutions-Complementary-Angles-image-18.png\" alt=\"Selina Concise Mathematics Class 9 ICSE Solutions Complementary Angles image - 18\" width=\"248\" height=\"408\"><\/p>\n\n\n\n<p><strong>Solution 6:<\/strong><br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/Selina-Concise-Mathematics-Class-9-ICSE-Solutions-Complementary-Angles-image-19.png\" alt=\"Selina Concise Mathematics Class 9 ICSE Solutions Complementary Angles image - 19\" width=\"403\" height=\"718\"><br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/Selina-Concise-Mathematics-Class-9-ICSE-Solutions-Complementary-Angles-image-20.png\" alt=\"Selina Concise Mathematics Class 9 ICSE Solutions Complementary Angles image - 20\" width=\"329\" height=\"386\"><\/p>\n\n\n\n<p><strong>Solution 7:<\/strong><br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/Selina-Concise-Mathematics-Class-9-ICSE-Solutions-Complementary-Angles-image-21.png\" alt=\"Selina Concise Mathematics Class 9 ICSE Solutions Complementary Angles image - 21\" width=\"421\" height=\"255\"><\/p>\n\n\n\n<p><strong>Solution 8(i):<\/strong><br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/Selina-Concise-Mathematics-Class-9-ICSE-Solutions-Complementary-Angles-image-22.png\" alt=\"Selina Concise Mathematics Class 9 ICSE Solutions Complementary Angles image - 22\" width=\"251\" height=\"227\"><\/p>\n\n\n\n<p><strong>Solution 8(ii):<\/strong><br><img loading=\"lazy\" decoding=\"async\" width=\"235\" height=\"223\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/Selina-Concise-Mathematics-Class-9-ICSE-Solutions-Complementary-Angles-image-23.png\" alt=\"Selina Concise Mathematics Class 9 ICSE Solutions Complementary Angles image - 23\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-download-pdf\"><strong>Download PDF<\/strong><\/h2>\n\n\n\n<p>Selina Class 9 ICSE Solutions Mathematics : Chapter 25-&nbsp;Complementary Angles<\/p>\n\n\n\n<p><a href=\"https:\/\/www.indcareer.com\/docs\/63691261-b350-49c5-a24c-4fb766d66bc3\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Download PDF<\/strong>: Selina Class 9 ICSE Solutions Mathematics : Chapter 25-\u00a0Complementary Angles PDF<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Chapterwise Selina Publishers&nbsp;ICSE Solutions for Class 9&nbsp;Mathematics :<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-1-rational-and-irrational-numbers\/\">Chapter 1 &#8211; Rational and Irrational Numbers<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-2-compound-interest-without-using-formula\/\">Chapter 2- Compound Interest (Without using formula)<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-3-compound-interest-using-formula\/\">Chapter 3 &#8211; Compound Interest (Using Formula)<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-4-expansions-including-substitution\/\">Chapter 4- Expansions (Including Substitution)<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-5-factorisation\/\">Chapter 5- Factorisation<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-6-simultaneous-linear-equations-including-problems\/\">Chapter 6 &#8211; Simultaneous (Linear) Equations (Including Problems)<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-7-indices-exponents\/\">Chapter 7- Indices (Exponents)<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-8-logarithms\/\">Chapter 8- Logarithms<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-9-triangles-congruency-in-triangles\/\">Chapter 9- Triangles [Congruency in Triangles]<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-10-isosceles-triangles\/\">Chapter 10- Isosceles Triangles<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-11-inequalities\/\">Chapter 11- Inequalities<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-12-mid-point-and-its-converse-including-intercept-theorem\/\">Chapter 12- Mid-point and Its Converse [ Including Intercept Theorem]<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-13-pythagoras-theorem-proof-and-simple-applications-with-converse\/\">Chapter 13- Pythagoras Theorem [Proof and Simple Applications with Converse]<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-14-rectilinear-figures-quadrilaterals-parallelogram-rectangle-rhombus-square-and-trapezium\/\">Chapter 14- Rectilinear Figures [Quadrilaterals: Parallelogram, Rectangle, Rhombus, Square and Trapezium]<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-15-construction-of-polygons\/\">Chapter 15- Construction of Polygons<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-16-area-theorems-proof-and-use\/\">Chapter 16- Area Theorems [Proof and Use]<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-17-circle\/\">Chapter 17- Circle<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-18-statistics\/\">Chapter 18- Statistics<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-19-mean-and-median\/\">Chapter 19- Mean and Median<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-20-area-and-perimeter-of-plane-figures\/\">Chapter 20 &#8211; Area and Perimeter of Plane Figures<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-21-solids-surface-area-and-volume-of-3-d-solids\/\">Chapter 21- Solids [Surface Area and Volume of 3-D Solids]<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-22-trigonometrical-ratios\/\">Chapter 22- Trigonometrical Ratios<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-23-trigonometrical-ratios-of-standard-angles\/\">Chapter 23- Trigonometrical Ratios of Standard Angles<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-24-solution-of-right-triangles\/\">Chapter 24- Solution of Right Triangles<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-25-complementary-angles\/\">Chapter 25- Complementary Angles<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-26-co-ordinate-geometry\/\">Chapter 26- Co-ordinate Geometry<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-27-graphical-solution-solution-of-simultaneous-linear-equations-graphically\/\">Chapter 27- Graphical Solution (Solution of Simultaneous Linear Equations, Graphically)<\/a><\/li><li><a href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-28-distance-formula\/\">Chapter 28- Distance Formula<\/a><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">About Selina Publishers&nbsp;ICSE<\/h2>\n\n\n\n<p>Selina Publishers has been serving the students since 1976 and is one of the quality ICSE school textbooks publication houses. Mathematics and Science books for classes 6-10 form the core of our business, apart from certain English and Hindi literature as well as a few primary books. All these books are based upon the syllabus published by the Council for the I.C.S.E. Examinations, New Delhi. The textbooks are composed by a panel of subject experts and vetted by teachers practising in ICSE schools all over the country. Continuous efforts are made in complying with the standards and ensuring lucidity and clarity in content, which makes them stand tall in the industry.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Class 9: Maths Chapter 25 solutions. Complete Class 9 Maths Chapter 25 Notes. Selina Class 9 ICSE Solutions Mathematics : Chapter 25-&nbsp;Complementary Angles Selina 9th Maths Chapter 25, Class 9 Maths Chapter 25 solutions Exercise 25(A) Solution 1(i): Solution 1(ii): Solution 1(iii): Solution 1(iv): Solution 1(v): Solution 1(vi): Solution 1(vii): Solution 1(viii): Solution 2(i): Solution [&hellip;]<\/p>\n","protected":false},"author":302,"featured_media":596106,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"newspack_featured_image_position":"","newspack_post_subtitle":"","newspack_article_summary_title":"Overview:","newspack_article_summary":"","newspack_hide_updated_date":false,"newspack_show_updated_date":false,"footnotes":""},"categories":[1411,921],"tags":[2261],"boards":[],"class_list":["post-596104","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-book-solutions","category-class-9","tag-icse-solutions","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Selina Solutions for Class 9, maths Chapter 25 - IndCareer Schools<\/title>\n<meta name=\"description\" content=\"Selina Class 9 ICSE Solutions Mathematics : Chapter 25-\u00a0Complementary Angles | Browse all - IndCareer Schools\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-25-complementary-angles\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Selina Class 9 ICSE Solutions Mathematics : Chapter 25-\u00a0Complementary Angles\" \/>\n<meta property=\"og:description\" content=\"Class 9: Maths Chapter 25 solutions. Complete Class 9 Maths Chapter 25 Notes. Selina Class 9 ICSE Solutions Mathematics : Chapter 25-&nbsp;Complementary\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-25-complementary-angles\/\" \/>\n<meta property=\"og:site_name\" content=\"IndCareer Schools\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/indcareer\" \/>\n<meta property=\"article:published_time\" content=\"2022-04-29T09:13:43+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-05-07T09:43:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/NCERT-Solutions-24-2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Pooja\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@indcareer\" \/>\n<meta name=\"twitter:site\" content=\"@indcareer\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Pooja\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-25-complementary-angles\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-25-complementary-angles\/\"},\"author\":{\"name\":\"Pooja\",\"@id\":\"https:\/\/www.indcareer.com\/schools\/#\/schema\/person\/d6945cf059726f162259ba738092301e\"},\"headline\":\"Selina Class 9 ICSE Solutions Mathematics : Chapter 25-\u00a0Complementary Angles\",\"datePublished\":\"2022-04-29T09:13:43+00:00\",\"dateModified\":\"2022-05-07T09:43:14+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-25-complementary-angles\/\"},\"wordCount\":394,\"publisher\":{\"@id\":\"https:\/\/www.indcareer.com\/schools\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-25-complementary-angles\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2022\/04\/NCERT-Solutions-24-2.jpg\",\"keywords\":[\"ICSE Solutions\"],\"articleSection\":[\"Book Solutions\",\"class 9\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-25-complementary-angles\/\",\"url\":\"https:\/\/www.indcareer.com\/schools\/selina-class-9-icse-solutions-mathematics-chapter-25-complementary-angles\/\",\"name\":\"Selina Solutions for Class 9, maths Chapter 25 - 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