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Дан прямоугольный треугольник MBF
Определи угол B если угол F=77°
B=?-
Предмет:
Геометрия -
Автор:
lorenzohorton - 5 лет назад
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Ответы 2
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ой, 13
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Автор:
catherinexunp - 5 лет назад
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0
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сумма углов треугольника 180. прямоугольный треугольник содержит угол 90, и известен угол 77, значит180-77-90=23
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Автор:
daniellesnyder - 5 лет назад
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0
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