Предмет: Геометрия, автор: avraamovakatya

1. В треугольнике АВС АВ=11 см. Угол А равен 45 градусов, угол С равен 30 градусов. Найти ВС.

Ответы

Автор ответа: Santana1

180-(45+30)=105( это угол б)
проодишь высоту на основание бц
катет лежащий против угла 30 гр = 1/2 гипотенузы=5,5

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