Предмет: Математика, автор: ovsyamariy

периметр квадрата дорівнює 9,2 знайди його площу

Ответы

Автор ответа: svetlanavaslarionova

0

Ответ:

Р=4а; а= Р:4; S =a²

a=9,2:4=2,3; S=2,3²=5,29

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