[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-481416-105":3,"detail-sidebar-cat-0-en-105":81,"doc-detail-481416-en":130},{"code":4,"msg":5,"data":6},0,"ok",{"site_id":7,"language":8,"slug":9,"title":10,"keywords":11,"description":12,"schema_data":13,"social_meta":74,"head_meta":76,"extra_data":78,"updated_unix":80},105,"en","identifying-types-of-triangles-determine-triangle-types","Identifying Types of Triangles - Determine Triangle Types","","Worksheet focused on classifying triangles by both angle measure and side/angle relationships. Students determine whether each given triangle is acute (A), obtuse (O), or right (R), then also label it as equilateral (E), isosceles (I), or scalene (S) based on equal sides and equal angles. An answer key lists the correct combined classifications for multiple numbered items. Definitions for each category are provided for quick reference.",{"@graph":14,"@context":73},[15,34,56],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/exam/","Exam",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/identifying-types-of-triangles-determine-triangle-types/481416/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/identifying-types-of-triangles-determine-triangle-types/481416.png","ImageObject",300,407,{"name":42,"@type":43},"Fans","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-11-02","2026-09-30",true,{"@type":52,"interactionType":53,"userInteractionCount":55},"InteractionCounter",{"@type":54},"ViewAction",9,{"@type":57,"mainEntity":58},"FAQPage",[59,65,69],{"name":60,"@type":61,"acceptedAnswer":62},"How do you identify an acute, obtuse, or right triangle?","Question",{"text":63,"@type":64},"Acute triangles have all angles less than 90°, obtuse triangles have one angle greater than 90°, and right triangles have one angle equal to 90°.","Answer",{"name":66,"@type":61,"acceptedAnswer":67},"How do you identify equilateral, isosceles, or scalene triangles?",{"text":68,"@type":64},"Equilateral triangles have 3 equal sides and 3 equal angles. Isosceles triangles have 2 equal sides and 2 equal angles. Scalene triangles have no equal sides and no equal angles.",{"name":70,"@type":61,"acceptedAnswer":71},"What does the answer key provide?",{"text":72,"@type":64},"The answer key gives the correct angle type (A/O/R) and side-type (E/I/S) for each numbered triangle.","https://schema.org",{"og:url":32,"og:type":75,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":77,"canonical":32},"index,follow",{"doc_id":79,"site_id":7},481416,1792877059,{"code":4,"msg":82,"data":83},"success",[84,88,92,95,100,105,110,115,119,122,126],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":85,"show_sort_weight":86,"slug":87},"Story & Novel",90,"story-novel",{"id":26,"doc_module":4,"doc_module_name":25,"category_name":89,"show_sort_weight":90,"slug":91},"Literature",80,"literature",{"id":33,"doc_module":4,"doc_module_name":25,"category_name":29,"show_sort_weight":93,"slug":94},70,"exam",{"id":96,"doc_module":4,"doc_module_name":25,"category_name":97,"show_sort_weight":98,"slug":99},5,"Comic",60,"comic",{"id":101,"doc_module":4,"doc_module_name":25,"category_name":102,"show_sort_weight":103,"slug":104},6,"Technology",50,"technology",{"id":106,"doc_module":4,"doc_module_name":25,"category_name":107,"show_sort_weight":108,"slug":109},7,"Healthcare",40,"healthcare",{"id":111,"doc_module":4,"doc_module_name":25,"category_name":112,"show_sort_weight":113,"slug":114},8,"Research & Report",30,"research-report",{"id":55,"doc_module":4,"doc_module_name":25,"category_name":116,"show_sort_weight":117,"slug":118},"Religion & Spirituality",20,"religion-spirituality",{"id":117,"doc_module":4,"doc_module_name":25,"category_name":120,"show_sort_weight":117,"slug":121},"World Cup","world-cup",{"id":123,"doc_module":4,"doc_module_name":25,"category_name":124,"show_sort_weight":123,"slug":125},10,"Lifestyle","lifestyle",{"id":127,"doc_module":4,"doc_module_name":25,"category_name":128,"show_sort_weight":96,"slug":129},19,"General","general",{"code":4,"msg":82,"data":131},{"doc_id":79,"user_id":132,"nickname":42,"user_avatar":133,"doc_module":4,"category_id":33,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":55,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":30,"language":139,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":12,"update_tm":143,"read_time":111},5909892330395,"https://ap-avatar.wpscdn.com/davatar_6f874abed73319feea01a86fa6f0fab8","Identifying Types of Triangles  \nName:  \n\n| Determine if each triangle is acute(A), obtuse(O) or right(R) and if it is an\u003Cbr>\u003Cbr>equilateral(E), isosceles(I) or scalene(S). Acute Triangle:\u003Cbr>All angles are less than 90° .\u003Cbr>Obtuse Triangle:\u003Cbr>One angle is greater than 90° .\u003Cbr>Right Triangle:\u003Cbr>One angle is 90° .\u003Cbr>Equilateral Triangle:\u003Cbr>3 equal sides. 3 equal angles.\u003Cbr>Isosceles Triangle:\u003Cbr>2 equal sides. 2 equal angles.\u003Cbr>Scalene Triangle:\u003Cbr>No equal sides. No equal angles.\u003Cbr>\u003Cbr>\u003Cbr>1)\u003Cbr>3)\u003Cbr>5)\u003Cbr>7)\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>2)\u003Cbr>4)\u003Cbr>6)\u003Cbr>8)\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>|  |  | 1.\u003Cbr>2.\u003Cbr>3.\u003Cbr>4.\u003Cbr>5.\u003Cbr>6.\u003Cbr>7.\u003Cbr>8. |  | Answers |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |\n| 1-8 | 88 | 75 | 63 | 50 |  | 38 | 25 | 13 | 0 |\n\n[Math](Math www.CommonCoreSheets.com 9)[ www.CommonCoreSheets.com](Math www.CommonCoreSheets.com 9)[ 9](Math www.CommonCoreSheets.com 9)  \nIdentifying Types of Triangles  \nName: Answer Key  \n\n| Determine if each triangle is acute(A), obtuse(O) or right(R) and if it is an\u003Cbr>\u003Cbr>equilateral(E), isosceles(I) or scalene(S). Acute Triangle:\u003Cbr>All angles are less than 90° .\u003Cbr>Obtuse Triangle:\u003Cbr>One angle is greater than 90° .\u003Cbr>Right Triangle:\u003Cbr>One angle is 90° .\u003Cbr>Equilateral Triangle:\u003Cbr>3 equal sides. 3 equal angles.\u003Cbr>Isosceles Triangle:\u003Cbr>2 equal sides. 2 equal angles.\u003Cbr>Scalene Triangle:\u003Cbr>No equal sides. No equal angles.\u003Cbr>\u003Cbr>|  |  | Answers 1.  A I  2.  R I  3.  A E  4.  O I  5.  A S  6.  O S  7.  R S  8.  O I  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 1)\u003Cbr>121\u003Cbr>3)\u003Cbr>150\u003Cbr>5)\u003Cbr>7)\u003Cbr>\u003Cbr>151\u003Cbr>171\u003Cbr>76\u003Cbr>150\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>2)\u003Cbr>4)\u003Cbr>109\u003Cbr>6)\u003Cbr>8)\u003Cbr>|  |  |  |  |  |  |  |  |\n| 1-8 | 88 | 75 | 63 | 50 | 38 | 25 | 13 | 0 |\n\n[Math](Math www.CommonCoreSheets.com 9)[ www.CommonCoreSheets.com](Math www.CommonCoreSheets.com 9)[ 9](Math www.CommonCoreSheets.com 9)  \nIdentifying Types of Triangles  \nName:  \n\n| Determine if each triangle is acute(A), obtuse(O) or right(R) and if it is an\u003Cbr>\u003Cbr>equilateral(E), isosceles(I) or scalene(S). Acute Triangle:\u003Cbr>All angles are less than 90° .\u003Cbr>Obtuse Triangle:\u003Cbr>One angle is greater than 90° .\u003Cbr>Right Triangle:\u003Cbr>One angle is 90° .\u003Cbr>Equilateral Triangle:\u003Cbr>3 equal sides. 3 equal angles.\u003Cbr>Isosceles Triangle:\u003Cbr>2 equal sides. 2 equal angles.\u003Cbr>Scalene Triangle:\u003Cbr>No equal sides. No equal angles.\u003Cbr>\u003Cbr>\u003Cbr>1)\u003Cbr>3)\u003Cbr>5)\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>2)\u003Cbr>4)\u003Cbr>6)\u003Cbr>\u003Cbr>\u003Cbr>| 1.\u003Cbr>2.\u003Cbr>3.\u003Cbr>4.\u003Cbr>5.\u003Cbr>6. |  | Answers |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |\n| 1-6 | 83 | 67 |  | 50 | 33 | 17 | 0 |\n\nMath  \nModified  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n9","cbCaibri4XbAg1ci","https://ap.wps.com/l/cbCaibri4XbAg1ci","pdf",52996,"English","# Triangle classification rules\n## Acute, obtuse, right triangles\n## Equilateral, isosceles, scalene triangles\n# Answers","[{\"question\":\"How do you identify an acute, obtuse, or right triangle?\",\"answer\":\"Acute triangles have all angles less than 90°, obtuse triangles have one angle greater than 90°, and right triangles have one angle equal to 90°.\"},{\"question\":\"How do you identify equilateral, isosceles, or scalene triangles?\",\"answer\":\"Equilateral triangles have 3 equal sides and 3 equal angles. Isosceles triangles have 2 equal sides and 2 equal angles. Scalene triangles have no equal sides and no equal angles.\"},{\"question\":\"What does the answer key provide?\",\"answer\":\"The answer key gives the correct angle type (A/O/R) and side-type (E/I/S) for each numbered triangle.\"}]","Identifying Types of Triangles - Determine Triangle Types | PDF",1790796719]