Предмет: Геометрия, автор: Tw1xy

Знайти BC, якщо ∠BAC - 60°, AB - 7 см

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Ответы

Автор ответа: Rockntt

1

Ответ:

7

Объяснение:

угол BAO = 30, катет против угла 30 градусов равен половине гипотенузы AB, которая равна 7 => BC = 2 * (7/2) = 7

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