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[Label1]
Caption=Угол А = [Round(deg(ang(C,A,B)))]°~~Угол B = [Round(deg(ang(A,B,C)))]°~~Угол С = [Round(deg(ang(B,C,A)))]°
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Caption=Найдите неизвестный угол треугольника,~~если в нём два угла равны:~~50° і 30°; 40° і 75°; 65° і 80°; 25° і 120°.
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Caption=1. Двигая точки А, В и С, найдите ~~    неизвестный угол треугольника.~~2. Существует ли зависимость между величинами ~~    углов треугольника? Установите её.~~3. Исследуйте зависимость между величинами~~    внешних углов треугольника и внутренних.
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[Button2]
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