Предмет: Алгебра, автор: wissn

найти длину дуги сектора круга радиус которого 12 если известно что площадь этого сектора равна 75

Ответы

Автор ответа: Аноним

площадь сектора можно вычислить по формуле:

S = 0.5LR, где L - длина дуги сектора, R - его радиус.

Отсюда L = S / 0.5R = 75 / 6 = 12.5

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