Предмет: Геометрия, автор: LoOoLiK064

диагонали ромба равны 12 и 7.Найдите его площадь

Ответы

Автор ответа: anmih

0

S=1/2 * d(1)*d(2) -где d - диагонали ромба

S= 1/2 * 12 * 7 = 42 кв ед

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