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प्रश्न
In the figure given below, AB || DC. If ∠B = 70°, then ∠BCD is ______.
विकल्प
80°
110°
100°
70°
MCQ
रिक्त स्थान भरें
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उत्तर
In the figure given below, AB || DC. If ∠B = 70°, then ∠BCD is 110°.
Explanation:
AB ∥ DC, so ∠B (given 70°) and ∠BCD form a pair of interior angles on the same side of the transversal inside the circle.
Thus ∠BCD = 180° − 70° = 110°.
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