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большее основание равнобедренной трапеции равное 2,7 и боковая сторона равная 1 , образуют угол равный 60 градусам . найдите верхнее основание
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Предмет:
Геометрия -
Автор:
buster7nlq - 5 лет назад
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Ответы 1
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треугольник АНВ прямоугольный: угол АВН = 90 - 60 = 30 градусов => АН = 1/2 АВ = 0.5. т.к. трапеция равнобедренная, то АН=Н1Д = 0.5.ВС = НН1 = 2.7 - 0.5 - 0.5 = 1.7
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Автор:
giulianag9vd - 5 лет назад
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0
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