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Two concentric circles of radii 5 cm and...

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

A

`2sqrt(a^2-b^2)`

B

`sqrt(a^2-b^2)`

C

`2sqrt(a^2+b^2)`

D

`sqrt(a^2+b^2)`

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VGS PUBLICATION-BRILLIANT-TANGENTS AND SECANTS TO A CIRCLE-EXERCISE
  1. The length of the tangents to frome a point A to a circle of radius 3 ...

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  2. The length of the tangnet draw from an ecterior point is 8 cm away fro...

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

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  4. The semi perimeter of Delta=28 cm " then " AF +BD +CE is ………

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  5. The length of the tangnet draw from an ecterior point is 8 cm away fro...

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  6. Angle in a major segment is …..

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  7. The length of the tangent drawn to a circle with radius 'r' from a poi...

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  8. In the figure PT is a tngent drawn form P . If th radius is 7 cm and O...

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  9. PQ is the chord of a circle . The tangent XR drawn at X meets PQ at R ...

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  10. Two circles intersect at A, B, PS, PT are two tangents drawn from P wh...

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  11. In the figures AB is a diameter and Ac is chord of the circle such tha...

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  12. If two tangents inclined at an angle of 60^(@) are drawn to a circle o...

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  13. To draw a pair of tangents to a circle which are inclined to each othe...

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  14. The radius of a circle is equal to the sum of the circumfernces of two...

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  15. If the radii of two concentric circles are 5 cm and 13 cm then the len...

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  16. If tangents PA and PB from a point P to a circle with centre O are inc...

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  17. In a right triangle ABC, right angled at B , BC = 15 cm and AB = 8 cm ...

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  18. How many tangnet lines can be drawn to a circle from a point outside t...

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  19. Three circles are drawn with the vertices of a traingle as centres suc...

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  20. A circle may have ........ parallel tangents utmost.

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