Предмет: Геометрия, автор: karasvsasha

Дан равносторонний треугольник, сторона которого равна 18 см. В треугольник вписан круг.

Вычисли площадь вписанного круга

(π ≈ 3; ответ округли до сотых). G;

Ответы

Автор ответа: sophiie
2
по формуле: S=(p•a^2)/12
S=(3•18^2)/12=(3•324)/12=81

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