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The worksheet includes clear instructions and answer keys, making it an effective resource for students to master both algebraic side-length calculations and the fundamental concept of geometric perimeter in a practical, step-by-step format.",{"@graph":14,"@context":72},[15,34,55],{"@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/perimeter-of-right-triangle-3-math-practice-worksheet/637482/",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/perimeter-of-right-triangle-3-math-practice-worksheet/637482.png","ImageObject",300,407,{"name":42,"@type":43},"awa","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-11-02","2026-10-22",true,{"@type":52,"interactionType":53,"userInteractionCount":33},"InteractionCounter",{"@type":54},"ViewAction",{"@type":56,"mainEntity":57},"FAQPage",[58,64,68],{"name":59,"@type":60,"acceptedAnswer":61},"What formula should be used to find the missing side of the triangles?","Question",{"text":62,"@type":63},"Pythagoras' theorem is used to calculate the length of the unknown third side of the right-angled triangle.","Answer",{"name":65,"@type":60,"acceptedAnswer":66},"How should the final perimeter answer be rounded?",{"text":67,"@type":63},"The perimeter calculation should be rounded to one decimal place (1dp).",{"name":69,"@type":60,"acceptedAnswer":70},"What is the purpose of this document?",{"text":71,"@type":63},"This document is designed to help students practice calculating the perimeter of right triangles by first solving for missing side lengths using geometric theorems.","https://schema.org",{"og:url":32,"og:type":74,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":76,"canonical":32},"index,follow",{"doc_id":78,"site_id":7},637482,1792876476,{"code":4,"msg":81,"data":82},"success",[83,87,91,94,99,104,109,114,119,122,126],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":84,"show_sort_weight":85,"slug":86},"Story & Novel",90,"story-novel",{"id":26,"doc_module":4,"doc_module_name":25,"category_name":88,"show_sort_weight":89,"slug":90},"Literature",80,"literature",{"id":33,"doc_module":4,"doc_module_name":25,"category_name":29,"show_sort_weight":92,"slug":93},70,"exam",{"id":95,"doc_module":4,"doc_module_name":25,"category_name":96,"show_sort_weight":97,"slug":98},5,"Comic",60,"comic",{"id":100,"doc_module":4,"doc_module_name":25,"category_name":101,"show_sort_weight":102,"slug":103},6,"Technology",50,"technology",{"id":105,"doc_module":4,"doc_module_name":25,"category_name":106,"show_sort_weight":107,"slug":108},7,"Healthcare",40,"healthcare",{"id":110,"doc_module":4,"doc_module_name":25,"category_name":111,"show_sort_weight":112,"slug":113},8,"Research & Report",30,"research-report",{"id":115,"doc_module":4,"doc_module_name":25,"category_name":116,"show_sort_weight":117,"slug":118},9,"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":95,"slug":129},19,"General","general",{"code":4,"msg":81,"data":131},{"doc_id":78,"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":33,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":26,"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":95},3985747858093,"https://ap-avatar.wpscdn.com/davatar_3d24733baf745e90a7e4bdd5f77d97b2","Name Date  \nPERIMETER OF RIGHT TRIANGLE 3  \nThese triangles are not drawn to scale.  \nUse Pythagoras’ theorem to find the missing side of each triangle then use this information to work out the perimeter. Give your answer correct to 1dp.  \n\n| 1) | 2)\u003Cbr>10cm\u003Cbr>|  |\n| --- | --- | --- |\n| \u003Cbr>7cm |  |  |\n| Perimeter: | Perimeter: |  |\n| 3)\u003Cbr>10cm\u003Cbr>| 4)\u003Cbr>9cm | |\n| Perimeter: | Perimeter: |  |\n\nName Date  \nPERIMETER OF RIGHT TRIANGLE 3 ANSWERS  \nThese triangles are not drawn to scale.  \nUse Pythagoras’ theorem to find the missing side of each triangle then use this information to work out the perimeter. Give your answer correct to 1dp.  \n\n| 1)\u003Cbr>\u003Cbr>5cm |  | 7cm | 2) |  |  |\n| --- | --- | --- | --- | --- | --- |\n|  |  |  | 10cm |  | |\n|  |  |  | 8cm |  |  |\n| Perimeter: 5+7+8 .6 = 20.6cm |  |  | Perimeter: 8+10+12 .8 = 30.8cm |  |  |\n| 3)\u003Cbr>10cm | |  | 4)\u003Cbr>9cm | |  |\n| Perimeter: 10+15+18 .0 = 43.0cm |  |  | Perimeter: 9+13+15 .8 = 37.8cm |  |  |","cbCairFutIQFBRa5","https://ap.wps.com/l/cbCairFutIQFBRa5","pdf",120362,"English","# Worksheet Exercises\n## Answer Key","[{\"question\":\"What formula should be used to find the missing side of the triangles?\",\"answer\":\"Pythagoras' theorem is used to calculate the length of the unknown third side of the right-angled triangle.\"},{\"question\":\"How should the final perimeter answer be rounded?\",\"answer\":\"The perimeter calculation should be rounded to one decimal place (1dp).\"},{\"question\":\"What is the purpose of this document?\",\"answer\":\"This document is designed to help students practice calculating the perimeter of right triangles by first solving for missing side lengths using geometric theorems.\"}]","Perimeter of Right Triangle 3 - Math Practice Worksheet | PDF",1792680640]