Предмет: Геометрия, автор: laimonl

Найти все углы треугольника АВС, если известно, что: а) Угол С равен 90°, АВ=62, ВС=31. б) Угол В равен 90°, АВ=7, ВС=7. в) Угол А равен 90°, АВ=16, ВС=8.

Ответы

Автор ответа: nadejdast70

Ответ:

а) т. к гипотенуза равна половину катета, то угол А равен 30 градусов. Следовательно <В= 180 - 90 -30 =60

Объяснение: На против угла в 30 градусов лежит гипотенуза , равная половине катета, на основании этого - обьясняется решение

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