Предмет: Математика, автор: elnaragamidova

ПОМОГИТЕ СРОЧНО!!!!:-s Найдите длинну окружности и постройте её если его диаметр = 2,6 см
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Ответы

Автор ответа: phantome900
0
Радиус равен 2.6/2= 1.3

Длина окружности 2 Пи R

2 * 3.14* 1.3= 8.164
Автор ответа: phantome900
0
Отмеряешь на циркуле 1.3 см и строишь )))
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