ОГЭ. Задание №16. Окружность
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Medium
Людмила Беспалова
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35 questions
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1.
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1 min • 1 pt
В окружности с центром в точке O проведены диаметры AD и BC, угол OAB равен 25°. Найдите величину угла OCD.
2.
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1 min • 1 pt
Найдите центральный ∠ KOM, если известно, что градусная мера дуги MN равна 124°, а градусная мера дуги KN равна 180°.
3.
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1 min • 1 pt
Найдите ∠KOM, если градусные меры дуг KO и OM равны 112° и 170° соответственно.
4.
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1 min • 1 pt
В окружности с центром O AC и BD — диаметры. Центральный угол AOD равен 130°. Найдите вписанный угол ACB . Ответ дайте в градусах.
5.
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1 min • 1 pt
Треугольник ABC вписан в окружность с центром в точке O. Найдите градусную меру угла C треугольника ABC , если угол AOB равен 63°.
6.
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1 min • 1 pt
Точка О — центр окружности, ∠ ACB = 62° (см. рисунок). Найдите величину угла AOB (в градусах).
7.
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1 min • 1 pt
На окружности с центром в точке отмечены точки и так, что Длина меньшей дуги равна 50. Найдите длину большей дуги .
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