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МатематикаВопрос:
7. In the circle with center O, arc MQ is 200 degrees and angle MON is 25 degrees. Find arc NQ.
Ответ:
Решение:
- Центральный угол MON = 25°, следовательно, дуга MN = 25°.
- Полная окружность равна 360°.
- Дуга MQ + Дуга QN + Дуга NM = 360°.
- 200° + Дуга QN + 25° = 360°.
- Дуга QN = 360° - 200° - 25° = 135°.
Ответ: 135°
Похожие
- 1. In the circle with center O, angle MOK is 78 degrees. Find angle MNK.
- 2. In the circle with center O, angle AOB is 60 degrees. OA = 8. Find AB.
- 3. In the circle with center O, LM = 32, and angle LOM is 90 degrees. Find x.
- 4. In the circle with center O, arc MK is 143 degrees and arc KL is 77 degrees. Find angle MKL.
- 5. In the circle with center O, angle SNM is 40 degrees. Find angle SBM.
- 6. In the circle with center O, arc MN is 124 degrees and arc NK is 180 degrees. Find angle MNK.
- 8. In the circle with center O, arc NK is 112 degrees and angle KMN is 46 degrees. Find arc NM.
