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The worksheet presents 20 questions asking for missing angle measures when one angle is complementary to a given degree value (summing to 90°) or supplementary to a given degree value (summing to 180°). An answer key provides the completed angle measures for each item, enabling self-checking and reinforcement of angle relationships in basic geometry.",{"@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/finding-complementary-and-supplementary-angles/466535/",{"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/finding-complementary-and-supplementary-angles/466535.png","ImageObject",300,407,{"name":92,"@type":93},"Noah","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-31","2026-09-30",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 does it mean for two angles to be complementary?","Question",{"text":112,"@type":113},"Complementary angles sum to 90°. So the missing angle is found by subtracting the given angle from 90°.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What does it mean for two angles to be supplementary?",{"text":117,"@type":113},"Supplementary angles sum to 180°. So the missing angle is found by subtracting the given angle from 180°.",{"name":119,"@type":110,"acceptedAnswer":120},"How can the answer key be used?",{"text":121,"@type":113},"Match each question number with the corresponding measure listed in the answer key to verify the 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|  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 1) The complementary angle of 9° is   ° . |  |  |  |  |  |  |  | 1. |  |  |  |  |  |  |\n| 2) The complementary angle of 4° is   ° . |  |  |  |  |  |  |  | 2. |  |  |  |  |  |  |\n| 3) The complementary angle of 52° is   ° . |  |  |  |  |  |  |  | 3. |  |  |  |  |  |  |\n| 4) The complementary angle of 53° is   ° . |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 5) The complementary angle of 10° is ° . |  |  |  |  |  |  |  | 4.   |  |  |  |  |  |  |\n| 6) The complementary angle of 70° is ° . |  |  |  |  |  |  |  | 5.   |  |  |  |  |  |  |\n| 7) The complementary angle of 80° is ° . |  |  |  |  |  |  |  | 6.   |  |  |  |  |  |  |\n| 8) The complementary angle of 42° is ° . |  |  |  |  |  |  |  | 7.   |  |  |  |  |  |  |\n| 9) The complementary angle of 88° is   ° . |  |  |  |  |  |  |  | 8.   |  |  |  |  |  |  |\n| 10) The complementary angle of 51° is   ° . |  |  |  |  |  |  |  | 9.   |  |  |  |  |  |  |\n| 11) The supplementary angle of 114° is   ° . |  |  |  |  |  |  |  | 10.   |  |  |  |  |  |  |\n| 12) The supplementary angle of 147° is ° . |  |  |  |  |  |  |  | 11.   |  |  |  |  |  |  |\n| 13) The supplementary angle of 175° is ° . |  |  |  |  |  |  |  | 12.   |  |  |  |  |  |  |\n| 14) The supplementary angle of 26° is ° . |  |  |  |  |  |  |  | 13.   |  |  |  |  |  |  |\n| 15) The supplementary angle of 71° is ° . |  |  |  |  |  |  |  | 14.   |  |  |  |  |  |  |\n| 16) The supplementary angle of 15° is   ° . |  |  |  |  |  |  |  | 15.   |  |  |  |  |  |  |\n| 17) The supplementary angle of 155° is   ° . |  |  |  |  |  |  |  | 16.   |  |  |  |  |  |  |\n| 18) The supplementary angle of 8° is   ° . |  |  |  |  |  |  |  | 17.   |  |  |  |  |  |  |\n| 19) The supplementary angle of 41° is   ° . |  |  |  |  |  |  |  | 18.   |  |  |  |  |  |  |\n| 20) The supplementary angle of 157° is   ° . |  |  |  |  |  |  |  | 19.  \u003Cbr>20. |  |  |  |  |  |  |\n| \u003Cbr>Math | [www.CommonCoreSheets.com](www.CommonCoreSheets.com) | 5 | 1-10\u003Cbr>11-20 | 95 | 90 | 85 | 80 |  | 75 | 70 | 65 | 60 | 55 | 50 |\n|  |  |  |  | 45 | 40 | 35 | 30 |  | 25 | 20 | 15 | 10 | 5 | 0 |\n\n Finding Complementary and Supplementary Angles Name: Answer Key  \n\n| Solve each problem.\u003Cbr>1) The complementary angle of 9° is  81  ° .\u003Cbr>2) The complementary angle of 4° is  86  ° .\u003Cbr>3) The complementary angle of 52° is  38  ° .\u003Cbr>4) The complementary angle of 53° is  37  ° .\u003Cbr>5) The complementary angle of 10° is  80  ° .\u003Cbr>6) The complementary angle of 70° is  20  ° .\u003Cbr>7) The complementary angle of 80° is  10  ° .\u003Cbr>8) The complementary angle of 42° is  48  ° .\u003Cbr>9) The complementary angle of 88° is  2  ° .\u003Cbr>10) The complementary angle of 51° is  39  ° .\u003Cbr>11) The supplementary angle of 114° is  66  ° .\u003Cbr>12) The supplementary angle of 147° is  33  ° .\u003Cbr>13) The supplementary angle of 175° is  5  ° .\u003Cbr>14) The supplementary angle of 26° is  154  ° .\u003Cbr>15) The supplementary angle of 71° is  109  ° .\u003Cbr>16) The supplementary angle of 15° is  165  ° .\u003Cbr>17) The supplementary angle of 155° is  25  ° .\u003Cbr>18) The supplementary angle of 8° is  172  ° .\u003Cbr>19) The supplementary angle of 41° is  139  ° .\u003Cbr>20) The supplementary angle of 157° is  23  ° . | Answers\u003Cbr>1.  81  2.  86  3.  38  4.  37  5.  80  6.  20  7.  10  8.  48  9.  2  10.  39  11.  66  12.  33  13.  5  14.  154  15.  109  16.  165  17.  25  18.  172  19.  139 \u003Cbr>20. 23 |\n| --- | --- |\n\nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n5  \n1-10 11-20  \n95  \n45  \n90  \n40  \n85  \n35  \n80  \n30  \n75  \n25  \n70  \n20  \n65  \n15  \n60  \n10  \n55  \n5  \n50  \n0  \nFinding Complementary and Supplementary Angles Name:  \n\n| Solve each problem. |  |  |  |  |  |  |  |  | Answers |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 1) The complement","cbCaigfvqgW42J6C","https://ap.wps.com/l/cbCaigfvqgW42J6C","pdf",45044,"English","# Solve Each Problem\n## Complementary Angles\n## Supplementary Angles\n# Answer Key","[{\"question\":\"What does it mean for two angles to be complementary?\",\"answer\":\"Complementary angles sum to 90°. So the missing angle is found by subtracting the given angle from 90°.\"},{\"question\":\"What does it mean for two angles to be supplementary?\",\"answer\":\"Supplementary angles sum to 180°. So the missing angle is found by subtracting the given angle from 180°.\"},{\"question\":\"How can the answer key be used?\",\"answer\":\"Match each question number with the corresponding measure listed in the answer key to verify the solution.\"}]","Finding Complementary and Supplementary Angles | PDF",1790771430]