Предмет: Геометрия, автор: tnul

найти Объём шара 12 балов

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Ответы

Автор ответа: orjabinina

1

Объяснение:

d=20дц, значит R=10дц.

S( кр) =ПR² , значит S( кр)=100П дц²

V= 4/3*ПR³ , V= 4/3*П*10³=4000/3*П дц³ ,

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