Предмет: Алгебра, автор: ghdhth2

найдите площадь и периметр ромба если его диогонали равны 8см и 10см

Ответы

Автор ответа: drearysad

1

Ответ:

Площадь(S) = 40 см

Периметр (P) = 4√41

Объяснение:

Площадь ромба = (d(1) • d(2)) : 2 = (8 • 10) : 2 = 40

Периметр = сумма всех сторон

Сторона = √4^2 + 5^2 = √41

Периметр = √41 + √41 + √41 + √41 = 4√41

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