Предмет: Математика, автор: msshikinanast

Вычислить радиус окружности, длина которой равна: 1) 18 , 84 см 2)47,1 д

Ответы

Автор ответа: биофизик

0

что бы найти длину используем формулу C=2ПR отсюда R=C/2П
1)R=18,84/2*3,14=3см
2)R=47,1/2*3,14=7,5 дм

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