Предмет: Математика, автор: uraglapinskij

Площа прямокутника 54 кв.см довжина 6 с обчисли площу квадрата сторона якого дорівнює ширині цього прямокутникам.

Ответы

Автор ответа: prettypushkova

S = a · b = 54 см² - площадь прямоугольника

b = 6 см - длина

а = 54 : 6 = 9 см - ширина (равная стороне квадрата)

S = a² = 9² = 81 см² - площадь квадрата

Ответ: 81 см².

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