Предмет: Математика, автор: PUPS188

Чему равно площадь поверхности пульта управления, если она в 4 раза больше площади поверхности прямоугольного экрана с периметром 16дм и шириной 2дм?

Ответы

Автор ответа: evo

0

х - длина экрана и равна 16:2 - 2=6 (дм). Площадь экрана 6*2=12 (дм^2), тогда плащадб поверхности пульта 4*12=48 (дм^2)

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