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в правильном четырехугольной пирамиде sabcd точка o - центр основания, S вершина, so=16, sb=20. Найдите длину отрезка BD
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Предмет:
Геометрия -
Автор:
mariahnwdh - 5 лет назад
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Ответы 1
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возьмём треугольник sobон прямоугольный. so 18 катетsb 10 гипотенуза √18²-10²=√324-100=224√224*2= 30ответ 30.НАВЕРНОЕЕЕЕ
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Автор:
felix4jzp - 2 года назад
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