Предмет: Математика, автор: 228peppapig228

найти 1/4 часть площади круга с диаметром 16 см

Ответы

Автор ответа: elyalevitan

1

S=r^2*П

r=16/2=8

S=8^2*П=64*П

1/4 S = 64:4 =16*П

Ответ:16

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