Предмет: Математика, автор: neumnichayu

Сколько потребуется кафельных плиток квадратной формы со стороной 20 см чтобы облицевать ими стену имеющую форму прямоугольника со сторонами 3м и 4,4м?

Ответы

Автор ответа: kochetckov04

Ответ:330 плиток потребуется

Пошаговое объяснение:

S(плитки)= 20•20=400см

S(стены)= 3•4,4=13,2м^2=132000см^2

132000:400=330

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