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МатематикаВопрос:
The sum of the angles of a right-angled triangle is equal to 90 degrees.
Ответ:
Ответ:
1. Неверно
Обоснование:
Сумма углов любого треугольника (включая прямоугольный) всегда равна 180 градусам. Утверждение, что сумма углов равна 90 градусам, относится к сумме острых углов прямоугольного треугольника.
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