Предмет: Математика, автор: Аноним

В треугольнике ABC:1)Найдите угол В , если угол А=53°,угол С52 2)найдите угол А ,если угол 76 , угол С23

Ответы

Автор ответа: алгеброика

1)Сумма углов треугольника=180, а+б+с=180. 53+х+52=180, значит б=75
2) 180-(76+23)=81 (не уверенна, т.к. не совсем поняла задание)

Автор ответа: voprosik13

180-(53+52)=95градусов-в
180-(76+23)=81 градус-а

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