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МатематикаВопрос:
The sum of the acute angles of a right-angled triangle is equal to 90 degrees.
Ответ:
Ответ:
1. Верно
Обоснование:
В прямоугольном треугольнике один угол прямой (90°). Поскольку сумма всех углов треугольника равна 180°, то сумма двух других (острых) углов равна 180° - 90° = 90°.
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