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МатематикаВопрос:
The bisector of the vertex angle of an isosceles triangle, drawn to the base, is perpendicular to the base.
Ответ:
Ответ:
1. Верно
Обоснование:
Это свойство равнобедренного треугольника. Биссектриса угла при вершине, проведенная к основанию, является также высотой, то есть перпендикулярна основанию.
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