Предмет: Математика, автор: nasretdinovamir64

Запиши периметры фигур, изображенных на рисунке, в виде выражения.
треугольник Xсм,Xсм,2см. Прямоугольник ширина- 2 см, длина xсм.Квадрат все стороны xсм.Треугольник все стороны xсм.

Ответы

Автор ответа: daizy88888

0

треугольник -- х+х+2 = 2х+2 (см)

прямоугольник -- (2+х) * 2 = 4+2х (см)

квадрат -- 4х (см)

Равностор треугольник -- 3х (см)

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