Предмет: Математика, автор: MIXGaming

цилиндр R=4 H=2.5 S=? Помогите пожалуйста. Если можно с пояснениями

Ответы

Автор ответа: ssweex

0

S= 2п*R*H+2п*R^2 ;
S= 2п*4*2.5+2*п*16 ;
S=20п+32п=52п ;
S=52п

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