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Two circles touch each other externally at `P` . `A B` is a common tangent to the circle touching them at `A` and `B` . The value of `/_A P B` is (a)`30^o` (b) `45^o` (c) `60^o` (d) `90^o`

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RD SHARMA ENGLISH-CIRCLES-All Questions
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  2. In the adjacent figure, if A B=12 c m ,\ \ B C=8c m and A C=10 c m ,...

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  3. In Figure, if A P=P B , then (a) A C=A B (b) A C=B C (c) A Q=Q C (d) ...

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  4. In Figure, if A P=10 c m , then B P= (a) sqrt(91)c m (b) sqrt(127)c m...

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  5. In Figure, if quadrilateral P Q R S circumscribes a circle, then P D...

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  6. In Figure, two equal circles touch each other at T , if Q P=4. 5 c m ,...

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  7. In Figure, A P B is a tangent to a circle with centre O at point P ....

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  8. In Figure, P R= (a) 20cm (b) 26cm (c) 24cm (d) 28cm

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  9. In Figure, there are two concentric circles with centre O . P R and P ...

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  10. In Fig. 10.94, if A B=8c m and P E=3c m , then A E= (FIGURE) (a) ...

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  11. In Fig. 10.95, P Q and P R are tangents drawn from P to a circle...

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  12. In Fig. 10.96, if T P and T Q are tangents drawn from an externa...

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  13. In Fig. 10.97, the sides A B ,\ B C and C A of triangle A B C , ...

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  14. In Fig. 10.98, a circle touches the side D F of E D F at H and tou...

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  15. In Fig. 10.99, D E and D F are tangents from an external point D...

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  16. In a right angled triangle A B C, right angled at B ,\ B C=12 c m and ...

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  17. Two circles touch each other externally at P . A B is a common tan...

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  18. In Fig. 10.101, P Q and P R are two tangents to a circle with cent...

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  19. In Figure, Q R is a common tangent to the given circles touching ext...

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  20. In Figure, a quadrilateral A B C D is drawn to circumscribe a circ...

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