Предмет: Математика, автор: otabaevs55

Длина стороны квадрата 10 см.
Найдите его периметр.
Периметр равен 60 см найдите длину его стороны

Ответы

Автор ответа: Milena17

0

1) а=10 см

Р=?

Р=4а

Р=4·10=40 (см)

Ответ: Р=40 см

2) Р=60 см

а=?

Р=4а ⇒ а=Р:4

60:4=15 (см)

Ответ: 15 см длина стороны квадрата.

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