Предмет: Геометрия, автор: Аноним

ПОМОГИТЕ СРОЧНО НАДО

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Ответы

Автор ответа: ukf700
0

Ответ:BAC=30 BCA=30 ABC=120

Объяснение:раз гипотенуза в образовавшихся прямоугольных треугольниках в 2 раза больше высоты, то угол напротив которого лежит высота (БЦА)=30 градусам. А дальше по теореме о градусной мере треугольника

Автор ответа: alihanmagzumov
0

Находим через соотношения в прямоугольном треугольнике a=csina

BAC= 30 BCA=30 ABC=120

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