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A B C is a right angled triangle, rig...

`A B C` is a right angled triangle, right angled at `B` such that `B C=6c m` and `A B=8c m` . A circle with centre `O` is inscribed in ` A B C` . The radius of the circle is (a) 1cm (b) 2cm (c) 3cm (d) 4cm

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RD SHARMA-CIRCLES-All Questions
  1. P Q is a tangent to a circle with centre O at the point P . If ...

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  2. Two equal circles touch each other externally at C and A B is a com...

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  3. A B C is a right angled triangle, right angled at B such that B C=6...

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  4. P Q is a tangent drawn from a point P to a circle with centre O ...

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  5. If four sides of a quadrilateral A B C D are tangential to a ci...

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  6. The length of the tangent drawn from a point 8cm away from the cent...

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  7. A B and C D are two common tangents to circles which touch each oth...

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  8. In Fig. 10.78, if A D ,\ A E and B C are tangents to the circl...

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  9. In Fig. 10.79, R Q is a tangent to the circle with centre O . If...

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  10. In Fig. 10.80, the perimeter of A B C is (FIGURE) (a) 30cm (b) ...

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  11. In Fig. 10.81, A P is a tangent to the circle with centre O such...

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  12. A P and P Q are tangents drawn from a point A to a circle with c...

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  13. At one end of a diameter P Q of a circle of radius 5cm, tangent ...

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  14. If P T is tangent drawn from a point P to a circle touching it a...

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  15. In the adjacent figure, if A B=12 c m ,\ \ B C=8c m and A C=10 c m ...

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  16. In Fig. 10.83, if A P=P B , then (FIGURE) A C=A B (b) A C=B C (c) A...

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  17. In Fig. 10.84, if A P=10 c m , then B P= (FIGURE) sqrt(91)c m (b) s...

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  18. In Fig. 10.86, if quadrilateral P Q R S circumscribes a circle, ...

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  19. In Fig. 10.87, two equal circles touch each other at T , if Q P=4. ...

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  20. In Fig. 10.88, A P B is a tangent to a circle with centre O at p...

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