Предмет: Геометрия, автор: irek2000iko

В треугольнике ABC угол C равен 90°, AC = 20, tgA = 0,5. Найдите BC

Ответы

Автор ответа: Ulisss

1

BC= Угол АС* tgA
BC=20*0.5
BC=10

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