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In Figure, a circle with centre O is ins...

In Figure, a circle with centre `O` is inscribed in a quadrilateral ABCD such that, it touches sides BC, AB, AD and C D at points P, Q, R and S respectively. If `A B=29c m ,A D=23 c m ,/_B=90^0` and `D S=5c m ,` then the radius of the circle (in cm) is (a) 11 (b) 18 (c) 6 (d) 15

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RD SHARMA ENGLISH-CIRCLES-All Questions
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  15. A tangent P Q at a point P of a circle of radius 5 cm meets a line ...

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