Предмет: Математика, автор: HelpMePlease133722

Помогите пожалуйста с задачей! Диаметр конуса 10см, образующая 6см, найти Sбок и Sполн.поверх.конуса

Ответы

Автор ответа: mikael2

1

Sb=πrl=π*D/2*l=π*5*6=30π

Sk=Sb+πr²=30π+π5²=55π

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