Вопрос школьника по предмету Геометрия
Дан прямоугольный треугольник ABC с прямым углом C.Найдите A если угол B равна 75 градусов
Ответ учителя по предмету Геометрия
углы треугольника в сумме составляют 180 градусов
значит
А = 180 — (С+В) = 180 — (90+75) = 15 градусов
наверное :——)))
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