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Final answers are reported with appropriate square units (in², cm², m²).",{"@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/surface-area-of-a-cuboid-sheet-2-answers/637830/",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/surface-area-of-a-cuboid-sheet-2-answers/637830.png","ImageObject",300,407,{"name":42,"@type":43},"RuangKosong","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-30","2026-10-22",true,{"@type":52,"interactionType":53,"userInteractionCount":55},"InteractionCounter",{"@type":54},"ViewAction",5,{"@type":57,"mainEntity":58},"FAQPage",[59,65,69],{"name":60,"@type":61,"acceptedAnswer":62},"What formula is used to find the surface area of a closed cuboid?","Question",{"text":63,"@type":64},"Use SA = 2lw + 2lh + 2wh, where l, w, and h are the cuboid dimensions.","Answer",{"name":66,"@type":61,"acceptedAnswer":67},"How is the surface area of an open cuboid calculated?",{"text":68,"@type":64},"For an open cuboid, use SA = lw + 2lh + 2wh, since one face is missing.",{"name":70,"@type":61,"acceptedAnswer":71},"Why do the answers use different square units?",{"text":72,"@type":64},"Because each problem uses the given measurements’ units (in, cm, or m), so the surface area is expressed in the corresponding square unit (in², cm², or m²).","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},637830,1792919353,{"code":4,"msg":82,"data":83},"success",[84,88,92,95,99,104,109,114,119,122,126],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":85,"show_sort_weight":86,"slug":87},"Story & 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|  |  |  |  |  | WORKING OUT | AREA |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 1) | 4 ½ in |  |  | \u003Cbr>|  | 3 in |  |  |\n| 2) 7 cm \u003Cbr>\u003Cbr>closed\u003Cbr>\u003Cbr>18 cm\u003Cbr>\u003Cbr>\u003Cbr>11 cm |  |  |  |  |  |  |  |  |\n| 3) 1.7 m |  | \u003Cbr>\u003Cbr>2.8 m\u003Cbr>0.5 m |  |  |  |  |  |  |\n| 4) | |  |  |  |  |  |  |  |\n| 5) 6 ¼ in |  | | \u003Cbr>2 ½ in |  |  |  |  |  |\n|  |  |  | 10 ½ in |  |  |  |  |  |\n| 6) | 12.6 cm  |  |  |  | \u003Cbr>\u003Cbr>closed\u003Cbr>5.2 cm |  |  |  |\n\nSURFACE AREA OF A CUBOID SHEET 2 ANSWERS  \nUse the measurements to find the surface area of these open and closed cuboids.  \n\n|  |  |  |  |  |  |  | WORKING OUT | AREA |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 1) | 4 ½ in |  |  | \u003Cbr>|  | 3 in | Surface area of a closed cuboid = 2lw + 2lh + 2wh\u003Cbr>= 2 x 9 ½ x 3 + 2 x 9 ½ x 4 ½ + 2 x 3 x 4 ½= 57 + 85 ½ + 27 = 169 ½ in2 | 169 ½ in2\u003Cbr>169.5 in2 |\n| 2) 7 cm \u003Cbr>\u003Cbr>closed\u003Cbr>\u003Cbr>18 cm\u003Cbr>\u003Cbr>\u003Cbr>11 cm |  |  |  |  |  |  | Surface area of a closed cuboid = 2lw + 2lh + 2wh\u003Cbr>= 2 x 11 x 18 + 2 x 11 x 7 + 2 x 18 x 7 = 396 + 154 + 252 = 802 cm2 | 802 cm2 |\n| 3) 1.7 m |  | \u003Cbr>\u003Cbr>2.8 m\u003Cbr>0.5 m |  |  |  |  | Surface area of an open cuboid = lw + 2lh + 2wh\u003Cbr>= 2.8 x 0.5 + 2 x 2.8 x 1.7 + 2 x 0.5 x 1.7 = 1.4 + 9.52 + 1.7 = 12.62 m2 | 12.62 m 2 |\n| 4) | |  |  |  |  |  | Surface area of a cube = 6s2 (where s is the length of a side)\u003Cbr>= 6 x (5 ½)2 = 6 x 30 ¼ = 181 ½ cm2 | 181 ½ cm2 181.5 cm 2 |\n| 5) 6 ¼ in |  | | \u003Cbr>2 ½ in |  |  |  | Surface area of an open cuboid = lw + 2lh + 2wh\u003Cbr>= 10 ½ x 2 ½ + 2 x 10 ½ x 6 ¼ + 2 x 2 ½ x 6 ¼= 26 ¼ + 131 ¼ + 31 ¼ = 188 ¾ in2 | 188 ¾ in2\u003Cbr>188.75 in2 |\n|  |  |  | 10 ½ in |  |  |  |  |  |\n| 6) | 12.6 cm  |  |  |  | \u003Cbr>\u003Cbr>3.5 cm |  | Surface area of a closed cuboid\u003Cbr>= 2lw + 2lh + 2wh\u003Cbr>= 2 x 3.5 x 5.2 + 2 x 3.5 x 12.6 + 2 x 5.2 x 12.6 = 36.4 + 88.2 + 131.04 = 255.64 cm2 | 255.64 cm2 |","cbCaiakK8MolbrmA","https://ap.wps.com/l/cbCaiakK8MolbrmA","pdf",222839,"English","# Surface area calculations for cuboids\n## Open and closed cuboids\n## Working out using formulas\n## Final answers","[{\"question\":\"What formula is used to find the surface area of a closed cuboid?\",\"answer\":\"Use SA = 2lw + 2lh + 2wh, where l, w, and h are the cuboid dimensions.\"},{\"question\":\"How is the surface area of an open cuboid calculated?\",\"answer\":\"For an open cuboid, use SA = lw + 2lh + 2wh, since one face is missing.\"},{\"question\":\"Why do the answers use different square units?\",\"answer\":\"Because each problem uses the given measurements’ units (in, cm, or m), so the surface area is expressed in the corresponding square unit (in², cm², or m²).\"}]","Surface Area of a Cuboid Sheet 2 - Answers | PDF",1792681509]