Предмет: Геометрия, автор: Kindly9012

Найти площадь ромба, если радиус вписаного в него круга = 8 см., а острый угол 30°

Ответы

Автор ответа: maxim27128
0

Ответ:

S= 8*8*sin30=32

S=pr

r=S/p

r=32/16=2

S=пrr=п*2*2=4п=12,56

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