[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-362943-105":59,"doc-detail-362943-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","radius-and-diameter-b-worksheet-circle-radius-diameter-relationships","Radius and Diameter (B) - Worksheet -  Circle Radius-Diameter Relationships","","Radius and Diameter (B) is a K-12 math worksheet focused on the relationship between a circle’s radius and diameter. Students use d = 2r and r = d ÷ 2 to fill in missing measurements, complete a table comparing which measurement is larger, and solve real-world word problems involving pizza, a pool, coins and buttons, and cookies. A challenge section adds algebraic expressions to find x and actual circle measurements, followed by an answer key.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/radius-and-diameter-b-worksheet-circle-radius-diameter-relationships/362943/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/radius-and-diameter-b-worksheet-circle-radius-diameter-relationships/362943.png","ImageObject",300,407,{"name":92,"@type":93},"Mary Man","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-06","2026-09-23",true,{"@type":102,"interactionType":103,"userInteractionCount":34},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What formulas connect radius and diameter in this worksheet?","Question",{"text":112,"@type":113},"The worksheet uses d = 2r and r = d ÷ 2 to convert between diameter and radius.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What kinds of questions are in Part 1?",{"text":117,"@type":113},"Part 1 asks students to find the missing measurement by applying the radius-diameter relationship to each numbered item.",{"name":119,"@type":110,"acceptedAnswer":120},"How does the challenge problem differ from the other sections?",{"text":121,"@type":113},"The challenge includes algebraic expressions (like 3x − 1 and 4x + 6) and asks students to solve for x and then determine actual radius values.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},362943,1790859869,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":34,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":81,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":39,"preview_page_count":4},7421720224475,"https://ap-avatar.wpscdn.com/davatar_276721f389ce27ea32af1340a28f341c","Name:  \n______________________________________  \nRadius and Diameter (B)  \nRemember: The radius (r) is the distance from the center of a circle to its edge.  \nThe diameter (d) is the distance across the circle through the center. d = 2r and r = d ÷ 2  \nDirections: Use the relationship between radius and diameter to answer each question.  \nPart 1—Find the Missing Measurement  \n1.)  \nd =  \n___________  \n3.)  \nd =  \n___________  \n5.)  \nd =  \n___________  \n2.)  \nr =    \n4.)  \nr =    \n6.)  \nr =    \nMashup Math LLC | Al[l Rights Reserved | Get More K-12 Math Worksheets at www.mashupmath.com](l Rights Reserved | Get More K-12 Math Worksheets at www.mashupmath.com)  \nPart 2—Complete the Table  \n\n| \\# | Diameter (d) | Radius (r) | Which is larger? |\n| --- | --- | --- | --- |\n| 1 | 24 |  | diameter |\n| 2 |  | 8 |  |\n| 3 |  | 15 |  |\n| 4 | 40 |  | diameter |\n| 5 |  | 3.5 |  |\n| 6 | 28 |  | diameter |\n\nPart 3—Word Problems  \n7.) A circular pizza has a diameter of 16 inches. What is its radius?  \nAnswer:    \n8.) A circular pool has a radius of 12 feet. What is its diameter?  \nAnswer:    \n9.) A coin has a diameter of 24 mm. A button has a radius of 9 mm. Which is larger, and by how much?  \nAnswer:    \n10.) A circular cookie has a radius of 8.5 inches. What is the diameter?  \nAnswer:    \nChallenge Problem  \na) A circle has a radius of (3x − 1) cm and a diameter of (4x + 6) cm. Find x and the actual radius.  \nb) A second circle has a diameter that is double the diameter of the first circle. What is its radius?  \nMashup Math LLC | Al[l Rights Reserved | Get More K-12 Math Worksheets at www.mashupmath.com](l Rights Reserved | Get More K-12 Math Worksheets at www.mashupmath.com)  \nANSWER KEY  \nPart 1:  \n1.) d = 2r = 2×7 = 14 cm  \n2.) r = d÷2 = 20÷2 = 10 m  \n3.) d = 2r = 2×6.5 = 13 ft  \n4.) r = d÷2 = 50÷2 = 25 mm  \n5.) d = 2r = 2×8 = 16 in  \n6.) r = d÷2 = 19÷2 = 9.5 yd  \nPart 2 (Table):  \n1.) r = 12  \n2.) d = 16  \n3.) d = 30  \n4.) r = 20  \n5.) d = 7.0  \n6.) r = 14  \nPart 3:  \n7.) r = 16÷2 = 8 inches  \n8.) d = 2×12 = 24 feet  \n9.) Coin: d=24mm. Button: d=18mm. Coin is larger by 6 mm.  \n10.) d = 2×8.5 = 17 inches  \nChallenge:  \na) 3x−1 = (4x+6)÷2 → 6x−2=4x+6 → 2x=8 → x=4  \nb) r=11cm, d=22cm. Second circle: d=44cm, r=22cm  \nMashup Math LLC | Al[l Rights Reserved | Get More K-12 Math Worksheets at www.mashupmath.com](l Rights Reserved | Get More K-12 Math Worksheets at www.mashupmath.com)","cbCailcQAOcrDKB4","https://ap.wps.com/l/cbCailcQAOcrDKB4","pdf",1190841,"English","# Part 1—Find the Missing Measurement\n# Part 2—Complete the Table\n# Part 3—Word Problems\n# Challenge Problem\n# Answer Key","[{\"question\":\"What formulas connect radius and diameter in this worksheet?\",\"answer\":\"The worksheet uses d = 2r and r = d ÷ 2 to convert between diameter and radius.\"},{\"question\":\"What kinds of questions are in Part 1?\",\"answer\":\"Part 1 asks students to find the missing measurement by applying the radius-diameter relationship to each numbered item.\"},{\"question\":\"How does the challenge problem differ from the other sections?\",\"answer\":\"The challenge includes algebraic expressions (like 3x − 1 and 4x + 6) and asks students to solve for x and then determine actual radius values.\"}]","Radius and Diameter (B) - Worksheet -  Circle Radius-Diameter Relationships | PDF",1790149491]