Предмет: Геометрия, автор: lkjhdfgh

стороны прямоугольника равны 8 и 12 см Найти его диагональ

Ответы

Автор ответа: Maxan

c2=а2+в2,

с2=8^2+12^

c^2=64+144=208

c=sqrt(208)

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