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Answer key information is included on the provided materials.",{"@graph":14,"@context":77},[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-worksheet-acute-obtuse-right-equilateral-isosceles-scalene/481428/",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-worksheet-acute-obtuse-right-equilateral-isosceles-scalene/481428.png","ImageObject",300,407,{"name":42,"@type":43},"Fans","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-11-04","2026-09-30",true,{"@type":52,"interactionType":53,"userInteractionCount":55},"InteractionCounter",{"@type":54},"ViewAction",9,{"@type":57,"mainEntity":58},"FAQPage",[59,65,69,73],{"name":60,"@type":61,"acceptedAnswer":62},"How do you identify an acute, obtuse, or right triangle?","Question",{"text":63,"@type":64},"An acute triangle has all angles less than 90°. An obtuse triangle has one angle greater than 90°. A right triangle has one angle equal to 90°.","Answer",{"name":66,"@type":61,"acceptedAnswer":67},"How do you identify equilateral, isosceles, and scalene triangles?",{"text":68,"@type":64},"An equilateral triangle has 3 equal sides and 3 equal angles. An isosceles triangle has 2 equal sides and 2 equal angles. A scalene triangle has no equal sides and no equal angles.",{"name":70,"@type":61,"acceptedAnswer":71},"What do the worksheet questions ask you to do?",{"text":72,"@type":64},"Each numbered item asks whether the given triangle is acute (A), obtuse (O), or right (R), and whether it is equilateral (E), isosceles (I), or scalene (S).",{"name":74,"@type":61,"acceptedAnswer":75},"Is there an answer key included?",{"text":76,"@type":64},"Yes. 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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 4)[ www.CommonCoreSheets.com](Math www.CommonCoreSheets.com 4)[ 4](Math www.CommonCoreSheets.com 4)  \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.  O S  2.  O I  3.  R S  4.  A E  5.  A S  6.  O I  7.  R I  8.  A I  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 1)\u003Cbr>3)\u003Cbr>5)\u003Cbr>7) | \u003Cbr>2)\u003Cbr>92\u003Cbr>4)\u003Cbr>78\u003Cbr>~~ 150 ~~\u003Cbr>6)\u003Cbr>92\u003Cbr>\u003Cbr>169\u003Cbr>| \u003Cbr>80\u003Cbr>80\u003Cbr>136 |  |  |  |  |  |  |  |  |\n|  |  | \u003Cbr>\u003Cbr>|  |  |  |  |  |  |  |  |\n|  | \u003Cbr>150\u003Cbr>8) |  |  |  |  |  |  |  |  |  |\n| 1-8 |  |  | 88 | 75 | 63 | 50 | 38 | 25 | 13 | 0 |\n\n[Math](Math www.CommonCoreSheets.com 4)[ www.CommonCoreSheets.com](Math www.CommonCoreSheets.com 4)[ 4](Math www.CommonCoreSheets.com 4)  \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)  \n4","cbCaiost0Pxt5cvy","https://ap.wps.com/l/cbCaiost0Pxt5cvy","pdf",53046,"English","# Determine Triangle Types\n## Classify by Angles (Acute, Obtuse, Right)\n## Classify by Sides/Angles (Equilateral, Isosceles, Scalene)\n## Answer Key","[{\"question\":\"How do you identify an acute, obtuse, or right triangle?\",\"answer\":\"An acute triangle has all angles less than 90°. An obtuse triangle has one angle greater than 90°. A right triangle has one angle equal to 90°.\"},{\"question\":\"How do you identify equilateral, isosceles, and scalene triangles?\",\"answer\":\"An equilateral triangle has 3 equal sides and 3 equal angles. An isosceles triangle has 2 equal sides and 2 equal angles. A scalene triangle has no equal sides and no equal angles.\"},{\"question\":\"What do the worksheet questions ask you to do?\",\"answer\":\"Each numbered item asks whether the given triangle is acute (A), obtuse (O), or right (R), and whether it is equilateral (E), isosceles (I), or scalene (S).\"},{\"question\":\"Is there an answer key included?\",\"answer\":\"Yes. The provided materials include an answer key listing the classifications for each problem number.\"}]","Identifying Types of Triangles - Worksheet - Acute, Obtuse, Right & Equilateral, Isosceles, Scalene | PDF",1790796745]