Ответ:
2) С = 180°-131°=49°
А = 180°- (37°+49°)=180°-86°=94°
3) А=С
А=180°-105°=75°
В=180°-(75°+75°)=180°-150°=30°
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Ответ:
2) С = 180°-131°=49°
А = 180°- (37°+49°)=180°-86°=94°
3) А=С
А=180°-105°=75°
В=180°-(75°+75°)=180°-150°=30°