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In Fig. 10.76, C P and C Q are tan...

In Fig. 10.76, `C P` and `C Q` are tangents from an external point `C` to a circle with centre `O` . `A B` is another tangent which touches the circle at `R` . If `C P=11 c m` and `B R=4c m` , find the length of `B C` . (FIGURE)

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RD SHARMA-CIRCLES-All Questions
  1. In Fig. 10.74, C P and C Q are tangents to a circle with centre ...

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  2. In Fig. 10.75, A B C is circumscribing a circle. Find the lengt...

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

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

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  5. In Fig. 10.77, P A and P B are tangents to the circle with centr...

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  6. A tangent P Q at a point P of a circle of radius 5cm meets a line t...

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  7. From a point Q , the length of the tangent to a circle is 24cm a...

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  8. The length of the tangent from a point A at a circle, of radius ...

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  9. If tangents P A and P B from a point P to a circle with centr...

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  10. In figure, sides Q P and R Q of P Q R are produced to point S and T re...

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  11. P Q is a tangent to a circle with centre O at the point P . If ...

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

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

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

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

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

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

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

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

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

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