Предмет: Математика, автор: KatyaCat1111

знайдіть площу квадрата якщо його периметр дорівнює 96 см

Ответы

Автор ответа: svetazuna
0
периметр квадрата:
Р = 4 * а,

сторона квадрата:
а = Р : 4,
а = 96 : 4 = 24 см,

площа квадрата:
S = а²,
S = 24² = 576 см²
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