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Two concentric circles are of radii 5 cm...

Two concentric circles are of radii 5 cm and 3 cm. Find the length of the chord of the larger circle which touches the smaller circle.

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RD SHARMA ENGLISH-CIRCLES-All Questions
  1. In figure ΔABC is circumscribing a circle. Find the length of BC

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

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

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

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

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

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  7. The length of the tangent from a point A to a circle, of radius 3cm, i...

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  8. If tangents P A and P B from a point P to a circle with centre O are i...

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

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  10. P Q is a tangent to a circle with centre O at the point P . If /\ O P ...

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

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

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

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

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  15. The length of the tangent drawn from a point 8cm away from the centr...

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

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  17. In Fig, if A D ,\ A E and B C are tangents to the circle at D ,\ E a...

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  18. In Figure, R Q is a tangent to the circle with centre O . If S Q=6c ...

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  19. In Figure, the perimeter of A B C is (a) 30cm (b) 60cm (c) 45cm (d...

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  20. In Figure, A P is a tangent to the circle with centre O such that O ...

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