Предмет: Математика, автор: talanovvladimi

Найдите длинну окружности, если длина её радиуса 2,25 дм. (Число пи округлите до десятых)

Ответы

Автор ответа: RubyCrest

0

Формула длины окружности - 2pR.
Значит, 2,25*2*3,1=4,5*3,1=13,95 дециметров.

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