Предмет: Геометрия, автор: sheka4

Стороны прямоугольника 12 и 5. Найти диагональ и площадь прямоугольника.

Ответы

Автор ответа: ДарьяЪ

0

Площадь=12*5=60 см в квадрате
Диагональ равна 13)

Автор ответа: sheka4

0

если не сложно, можно решение к диагонали

Автор ответа: ДарьяЪ

0

пусть АВСД - прямоугольник, стороны АВ = 5 см и ВС =12 см, АС и ВД - диагонали, они в прямоугольнике равны.
Тогда в прямоугольном треугольнике АВС по теореме Пифагора: АС^2(это в квадрате) = АВ^2 +ВС^2 = 25 + 144 = 169, корень из 169 = 13, диагонали АС=ВД=13 см

Автор ответа: ДарьяЪ

0

сделай лучшим,пожалуйста,если помогло))

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