Предмет: Математика, автор: слаймер

помогите с задачкой:
Участок прямоугольной формы с трех сторон обнесен забором,общая длина которого 170 м.Вдоль одной из коротких сторон высажена живая изгородь длиной 40 м.Вычисли площадь участка.

Ответы

Автор ответа: 20040603

1) 170-40=130 (м) - сумма двух длинных сторон участка2) 130:2=65 (м) - длинная сторона участка3) S=a*b=65*40=2600 (кв.м) Ответ: площадь участка 2600 кв.м

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