Предмет: Математика, автор: nick5765

ПОМОГИТЕ ПОЖАЛУЙСТАААААААААААААА

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Автор ответа: baisangurmagamadov

0

Ответ:

АВС

АС и СВ -КАТЕТЫ

АВ-ГИПОТЕНУЗА (ОСНОВАНИЕ)

|_С=90°

|_ А=48°

СД-ВЫСОТА

|_ Д=90°

________________________________

Найти- |_ ДСВ-?

решение: Сумма 2 острых углов в прямоугольной треугольнике равно 90°

то есть 1. 90°-48°=42° угол В

2. Так как сумма углов в треугольнике всегда равна 180°, то |_ДСВ=180°-(42°+90°)=48°

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