Ответ:В1
/_B =180°-(90°+17°)= 180°-107°=73°
/_А=180°-(90°+73°)=180°-163°=17°
В2
/_А=180°-(90°+28°)=180°-118°=62°
/_В=180°-(90°+62°)=180°-152°=28°
Объяснения
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Ответ:В1
/_B =180°-(90°+17°)= 180°-107°=73°
/_А=180°-(90°+73°)=180°-163°=17°
В2
/_А=180°-(90°+28°)=180°-118°=62°
/_В=180°-(90°+62°)=180°-152°=28°
Объяснения