[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-633408-105":3,"detail-sidebar-cat-0-en-105":80,"doc-detail-633408-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":73,"head_meta":75,"extra_data":77,"updated_unix":79},105,"en","area-of-a-semi-circle-problems-1b-practice-exercises","Area of a Semi-Circle Problems 1B - Practice Exercises","","This document provides a set of geometry practice problems focused on calculating the area of a semi-circle. It includes three distinct exercises involving real-world scenarios such as a pond, a mirror, and a patio, requiring calculations based on given radii or diameters. The material is presented in an educational format, accompanied by a comprehensive answer key that explains the mathematical formulas and step-by-step working-out processes, making it an ideal resource for students and teachers for classroom assessment or self-study.",{"@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/area-of-a-semi-circle-problems-1b-practice-exercises/633408/",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/area-of-a-semi-circle-problems-1b-practice-exercises/633408.png","ImageObject",300,407,{"name":42,"@type":43},"Margaret","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-30","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},"How do you calculate the area of a semi-circle?","Question",{"text":62,"@type":63},"The area of a semi-circle is calculated using the formula (πr²)/2, where 'r' is the radius of the circle.","Answer",{"name":65,"@type":60,"acceptedAnswer":66},"What is the area of a semi-circular pond with a 5m radius?",{"text":67,"@type":63},"The area of the pond is approximately 39 square meters, calculated as (π * 5²) / 2.",{"name":69,"@type":60,"acceptedAnswer":70},"If a semi-circular patio has a diameter of 32m, what is its area?",{"text":71,"@type":63},"First, find the radius by dividing the diameter by 2, resulting in 16m. Then, using the formula (π * 16²) / 2, the area is approximately 402 square meters.","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},633408,1792900694,{"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},137451207643,"https://ap-avatar.wpscdn.com/davatar_3d24733baf745e90a7e4bdd5f77d97b2","Name Date  \nAREA OF A SEMI-CIRCLE PROBLEMS 1B  \n| Working out |  |\n| --- | --- |\n| 1) | A semicircular pond has a radius of 5 m.\u003Cbr>What is the area of the pond to the nearest m2 ?\u003Cbr>\u003Cbr>\u003Cbr>5 m\u003Cbr>Area of the pond is   |\n| 2) | A semicircular mirror has a radius of 24 cm. What is the area of the mirror?\u003Cbr>Give your answer to 1dp\u003Cbr>\u003Cbr>24 cm Area of the mirror is   |\n| 3) | A semicircular patio has a diameter of 32 m. What is the area of the patio?\u003Cbr>Give your answer to the nearest square m.\u003Cbr>\u003Cbr>32 m\u003Cbr>The patio has an area of   |\n\nName Date  \nAREA OF A SEMI-CIRCLE PROBLEMS 1B ANSWERS  \n| Working out |  |  |\n| --- | --- | --- |\n| 1) | A semicircular pond has a radius of 5 m.\u003Cbr>What is the area of the pond to the nearest m2 ?\u003Cbr>\u003Cbr>5 m\u003Cbr>Area of the pond is 39 m2. | Area of pond = (πr2 )/2 = (π x 52 )/2 = 25/2 π = 39.3 m2 |\n| 2) | A semicircular mirror has a radius of 24 cm. What is the area of the mirror?\u003Cbr>Give your answer to 1dp\u003Cbr>\u003Cbr>24 cm Area of the mirror is 157.1 in2 | Area of mirror = (πr2 )/2 = (π x 242 )/2 = 288π = 904.8cm2 |\n| 3) | A semicircular patio has a diameter of 32 m. What is the area of the patio?\u003Cbr>Give your answer to the nearest square m.\u003Cbr>\u003Cbr>32 m\u003Cbr>The patio has an area of 402 m2. | Radius of patio = 32/2 = 16 m.\u003Cbr>Area of patio = (πr2 )/2 = (π x 162 )/2 = 128π = 402.1 m2 |","cbCaib8D3OtcqOnQ","https://ap.wps.com/l/cbCaib8D3OtcqOnQ","pdf",155092,"English","# Area of a Semi-Circle Problems\n## Problem Descriptions\n## Answer Key","[{\"question\":\"How do you calculate the area of a semi-circle?\",\"answer\":\"The area of a semi-circle is calculated using the formula (πr²)/2, where 'r' is the radius of the circle.\"},{\"question\":\"What is the area of a semi-circular pond with a 5m radius?\",\"answer\":\"The area of the pond is approximately 39 square meters, calculated as (π * 5²) / 2.\"},{\"question\":\"If a semi-circular patio has a diameter of 32m, what is its area?\",\"answer\":\"First, find the radius by dividing the diameter by 2, resulting in 16m. Then, using the formula (π * 16²) / 2, the area is approximately 402 square meters.\"}]","Area of a Semi-Circle Problems 1B - Practice Exercises | PDF",1792672101]