Предмет: Геометрия, автор: Palka

найдите величины углов параллелограмма abcd если биссектриса угла a образует со стороной bc угол 35

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Автор ответа: evo

биссектрисса угла а со стороной ад образует угол 35град (внутренние накрест лежащие). Весь угол а равен 2*35=70град. Угол а=углу с=70град. угол в=углу д=180-70=110град

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