Предмет: Математика, автор: Кэп001

Прошу!
В прямоугольной трапеции боковые стороны равны 9 см и 15 см, а меньшее основание- 14 см. Найдите большее основание.

Ответы

Автор ответа: Аноним

2

Если провести высоту из вершины верхнего основания, то образуется прямоугольный Δ , в котором катет = 9, гипотенуза = 15. По т . Пифагора ищем второй катет 15² - 9² = 225 - 81 = 144. Второй катет = 12
Нижнее основание = 14 + 12 = 26
Ответ: 26 см

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