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In the given figure, O is the centre of ...

In the given figure, O is the centre of the circle. AB is tangent. `AB =12 cm and OB = 13 cm`. Find OA:

A

6.5 cm

B

6 cm

C

5 cm

D

none of these

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The correct Answer is:
C
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ARIHANT SSC-GEOMETRY-INTRODUCTORY EXERCISE - 12.5
  1. In the given figure, O is the centre of the circle and angleACB=25^@ F...

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  2. In Fig, O is the center of the circle. Find the angle of triangleABC.

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  3. In the given figure, O is the centre of the circle. AB is tangent. AB ...

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  4. In the given figure, PQ is the tangent of the circle. Line segment PR ...

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  5. In the given figure, there are two circles with the centres O and O' t...

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  6. In the given figure, PAQ is the tangent. BC is the diameter of the cir...

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  7. ABCD is a cyclic quadrilateral PQ is a tangent at B. If angleDBQ = 65^...

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  8. In the given figure, AP = 2 cm, BP = 6 cm and CP = 3 cm. Find DP :

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  9. In the given figure, "AP = 3 cm, BA = 5 cm and CP = 2 cm". Find CD :

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  10. In the given figure, tangent "PT = 5 cm, PA = 4 cm", find AB:

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  11. Two circles of radii 13 cm and 5 cm touch internally each other. Find ...

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  12. Three circles touch each other externally. The distance between their ...

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  13. A circle touches a quadrilateral ABCD. Find the true statement:

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  14. O and O' are the centres of two circles which touch each other externa...

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  15. If AB is a chord of a circle, P and Q are two points on the circle dif...

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  16. In the given figure, AB and CD are two common to the two touching circ...

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  17. CD is direct common tangent to two circles intersecting each other at ...

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  18. O and O' are the centres of circle of radii 20 cm and 30 cm AB = 24 cm...

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  19. In a circle of radius 5\ c m ,\ A B\ a n d\ A C are two chords s...

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  20. In a circle of radious 17 cm, two parallel chords are drawn on o...

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