Предмет: Геометрия, автор: dashaDasha15

Найти гипотенузу прямоугольного треугольника, площадь которого 30см квадратных, а один из катетов 5 см

Ответы

Автор ответа: kukonya

вот смотри... площадь вообще находится: 1/2катетов(в прямоугольном треугольнике) следовательно, 30=1/2*х*5 отсюда находим сторону она равна 12

затем по теореме пифарога: 12*12+5*5(И ВСЕ ПОД КОРНЕМ) И ГИПОТЕНУЗА РАВНА: 13

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