Предмет: Математика, автор: waleri1709

Реши задачу.
Стороны в прямоугольном треугольнике равны 30 см и 5дм. Найди площадь прямоугольного треугольника.

Ответы

Автор ответа: trotskaya1917
1
5 дм = 50см
S = 30 * 50 = 1500 см
Ответ : 1500см
Автор ответа: berezinandriushka
0

Достраиваешь прямоугольный треугольник до прямоугольника. Находишь площадь прямоугольника. 50 х 30 равно 1500. Площадь треугольника равна половине от площади всего прямоугольника, то есть 1500/2=750. Ответ:750 см^2

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