Предмет: Геометрия, автор: Єнотік45

ПОМОГИТЕ СРОЧНО КР
если сферу радиусом 10 пересечь плоскостью на расстоянии 8 см от центра то длина линии сечения равна

Ответы

Автор ответа: zirnovkosta97
2

Радиус сечения равен: 6.

А длина линии по формуле длины окружности.

Автор ответа: KiskaVey
3
Радиус окружности пересечения будет sqrt(10^2-8^2)=sqrt(36)=6
Длина=2*π*6=12π
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