Clark Gibson
10/19/2023 · Elementary School
Прямая \( A B \) касается окружности с центром в точке \( O \) радиуса \( r \) в точке \( B \). Найдите \( O A \) если известно, что \( A B=8 \cdot \sqrt{3}, r=2 \).
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Используя теорему Пифагора в треугольнике \( OAB \), где \( OB = 2 \) и \( AB = 8\sqrt{3} \), находим \( OA = 14 \).
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