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प्रश्न
In the given figure, PQ and PR are tangents drawn from P to the circle with centre O such that ∠QPR = 65°. The measure of ∠QOR is ______.
विकल्प
65°
125°
115°
90°
उत्तर
In the given figure, PQ and PR are tangents drawn from P to the circle with centre O such that ∠QPR = 65°. The measure of ∠QOR is 115°.
Explanation:
∠QPR + ∠QOR = 180°
∴ ∠QOR = 180° – ∠QPR
= 180° – 65°
= 115°
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