Предмет: Математика, автор: gonshickees

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Ответы

Автор ответа: Nastya07101

Sзаштрихованной фигуры = Sпрямоугольника - Sкруга

Sпрямоугольника = a*b (a и b - стороны)

S пр. = 4*8 = 32

Sкруга = пR²

S кр. = 3*2² = 3*4=12

Sзаштрихованной фигуры = 32-12 = 20

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