Предмет: Геометрия, автор: normokk

в треугольнике abc угол с равен 90 градусов, ac 8, sina 0.5.найдите высоту ch.

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Автор ответа: DrunkHedgehog

0

В прямоугольном треугольнике ACH (уг.H=90°)
sinA=CH/AC=0.5
Тогда
CH=0.5AC=0.5*8=4см

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