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प्रश्न
In the given figure, CP and CQ are tangents to a circle with centre O. ARB is another tangent touching the circle at R. If CP = 11 cm and BC = 6 cm then the length of BR is ______
पर्याय
6 cm
5 cm
4 cm
3 cm
MCQ
रिकाम्या जागा भरा
उत्तर
In the given figure, CP and CQ are tangents to a circle with centre O. ARB is another tangent touching the circle at R. If CP = 11 cm and BC = 6 cm then the length of BR is 5 cm.
Explanation:
Since BQ = BR …(i) [∵ Tangents drawn from external points are equal]
CQ = CP .....[Using (i)]
BC + BQ = 11
⇒ 6 + BR = 11
⇒ BR = 11 - 6 = 5 cm
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