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In Fig. 10.57, a circle is inscribed ...

In Fig. 10.57, a circle is inscribed in a quadrilateral `A B C D` in which `/_B=90o` . If `A D=23 c m` , `A B=29 c m` and `D S=5c m` , find the radius `r` of the circle. (FIGURE)

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RD SHARMA ENGLISH-CIRCLES-All Questions
  1. Prove that the perpendicular at the point of contact to the tangent...

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  2. Two circles touch externally at a point P. From a external point T on ...

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  3. In Fig. 10.57, a circle is inscribed in a quadrilateral A B C D in ...

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  4. A B is a chord of length 16cm of a circle of radius 10cm. The tangen...

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  5. In Figure, P A and P B are tangents from an external point P to a ci...

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  6. In Figure, B D C is a tangent to the given circle at point D such th...

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  7. In Fig. 10.62, P O|Q O . The tangents to the circle at P and Q i...

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  8. The lengths of three consecutive sides of a quadrilateral circumscr...

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  9. In Fig. 10.67, O Q : P Q=3:4 and perimeter of P O Q=60 c m . De...

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  10. In Fig. 10.72, P A and P B are tangents to the circle drawn from...

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  11. What is the distance between two parallel tangents of a circle of r...

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  12. The length of a tangent from a point A at distance 5 cm from the ce...

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  13. Two tangents T P and T Q are drawn from an external point T to a...

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  14. What is the distance between two parallel tangents to a circle of r...

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  15. In Q. No. 1, if P B=10 c m , what is the perimeter of P C D ?

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  16. In Fig. 10.74, C P and C Q are tangents to a circle with centre ...

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  17. In figure ΔABC is circumscribing a circle. Find the length of BC

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  18. In Fig. 10.76, C P and C Q are tangents from an external point C...

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  19. Two concentric circles are of radii 5 cm and 3 cm. Find the length ...

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  20. In Figure, P A and P B are tangents to the circle with centre O such...

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