Kuta Software - Infinite Geometry                                                                                                                                                           Name___________________________________
                         Angles in a Triangle                                                                                                                                                                                                             Date________________  Period____
                         Find the measure of each angle indicated.
                         1)                                                                                                                                                                       2)  
                                         65°                           ? 
                                                                                                                                                                                                             40°
                                                    57°
                                                                                                                                                                                                                                         ? 
                                         58°
                                                                                                                                                                                                                  50°
                         3)                                                                                                                                                                       4)  
                                                                                                                                                                                                                                          85°
                                                         20°
                                                                                                                                                                                                                    ?                                     50°
                                                                             130°                      ?                                                                                                          45°
                                         30°
                         5)                                                                                                                                                                       6)  
                                            137°                                                                                                                                                                                                                                  ? 
                                                   102°                                        ?                                                                                                                                                                     100°
                                                                                                                                                                                                                 35°
                                         145°
                                                                                                                                                                                                                  135°
                         7)                                                                                                                                                                       8)  
                                                                                                                                                                                                                                      155°
                                                                                 ?                                                                                                                                                                                                 60°
                                                   30°
                                                                                                                                                                                                                                                                           ? 
                                                                                        20°
                                                                                                                                                                                                                  85°
                                         130°
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                          9)                                                                                                                                                                        10)  
                                                                                        39°                        ? 
                                                                                                                                                                                                                                                                                35°
                                                          20°                                       40°                                                                                                                              65°
                                         21°                                                                                                                                                                                                                 50°
                                                                                                                                                                                                                         60°                                                                    ? 
                                                                                                                                                                                                                    70°
                          11)                                                                                                                                                                       12)  
                                          86°                                                                                                                                                                                      27°                       ? 
                                                                         84°
                                            ? 
                                                                                                                                                                                                                                 35°                                     23°
                                                                                       36°
                                                                                                                                                                                                                    31°
                                         64°
                          13)                                                                                                                                                                       14)  
                                                                                                                                                                                                                                  156°
                                                                                                                                                                                                                                                                                        ? 
                                                                                                                            155°
                                             115°
                                                                                                                                                                                                                                         20°                                          35°
                                                                                                                                                                                                                    31°
                                          85°
                                                                                                               ? 
                                         85°
                          15)                                                                                                                                                                       16)  
                                                                    45°                                                                                                                                                                         45°
                                                                                                                                                                                                                                                                                                                  68°
                                                                                                                                                                                                                                                                              79°
                                                                                    68°                          100°                                                                                                                                                                                                                  ? 
                                              60°                                                                                                                                                                            75°
                                                                                                                                            ? 
                                         137°                                                                                                                                                                       109°
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                         Solve for x.
                         17)                                                                                                                                                                      18)  
                                               55°                 x + 74
                                                                                                                                                                                                                           8x + 2
                                                                 54°
                                                                                                                                                                                                                    70°                      60°
                                         −3                                                                                                                                                                      6
                         19)                                                                                                                                                                      20)  
                                          64°
                                                                        27°                                                                                                                                                                     x + 51
                                           97 + x
                                         −6                                                                                                                                                                                  80°                                                        60°
                                                                                                                                                                                                                 −11
                         Find the measure of angle A.
                         21)                                                                                                                                                                      22)  
                                            x + 59
                                                                                                                                                                                                                                    x + 37                    x + 67
                                                                                                                                                                                                               A
                                          84°                   x + 51                                                                                                                                           30°
                                                                                          A
                                         44°
                         23)                                                                                                                                                                      24)  
                                       A                                                                                                                                                                                                                          A
                                                           3x − 6                                            130°
                                                                                                                                                                                                                                                         x + 23
                                                                                  8x + 4
                                         30°                                                                                                                                                                                                                      80°
                                                                                                                                                                                                                  4x + 17
                                                                                                                                                                                                                 35°
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