Предмет: Геометрия, автор: elinafin

знайдіть площу круга що має діаметр 8 см​

Ответы

Автор ответа: olegmongol1448
2

Ответ:

S=п*r^2

r=D/2

r=8/2=4 см

S=3.14*4^2=3.14*16=50,24 см

Объяснение:

п-число пи

r^2=r*r

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