Предмет: Геометрия, автор: madwixx0

Знайдіть радіус кола, у якого дуга, що відповідає центральному куту
30°, має довжину 2π. ТЕРМІНОВО

Ответы

Автор ответа: zmeura1204
1

Ответ:

R=12см

Объяснение:

Сд=2π; а°=30°

Формула:

Сд=2πR*a°/360°; →

R=360°*Cд/(2π*а°)=180*2π/(30π)=12см

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