Предмет: Геометрия, автор: dimasoroka776

1º (1 бал). 2° (1 бал). Знайдіть площу круга, діаметр якого дорівнює 6 дм.

Ответы

Автор ответа: skaip9817

1

Ответ:

Объяснение:

Формула для площади круга: S=πr²;

D=2r, => r=6дм:2=3дм.

S=3.14*3²=3.14*9=28.26дм².

Ответ: Sкр.=28.26дм².

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