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In the figure XY and X'Y' are two parall...

In the figure XY and X'Y' are two parallel tangents to a circle with centre O and another tangent AB with point of cantact C intersecting XY at A and X'Y' at B then `angle AOB=

A

`75^@`

B

`95^@`

C

`70^@`

D

`90^@`

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VGS PUBLICATION-BRILLIANT-TANGENTS AND SECANTS TO A CIRCLE-EXERCISE
  1. Area of equilateral triangle of side 'a' units is …….. sq. units.

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  2. Parallelogram circumscribing a circle is a ………………..

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  3. In the figure XY and X'Y' are two parallel tangents to a circle with ...

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  4. Choose the correct answer and give justification for each . The ang...

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  5. If AP and AQ are the two tangents a circle with centre O , so that an...

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  6. In the figure AB , = 6.2cm then CD = …………… cm .

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  7. Area of circle interms of diameter is ………..

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  8. In the figure AP , = 12 cm , PB = 16 cm and pi=3 then perimeter of sh...

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  9. A bicycle wheel makes 75 revolutions per minute to maintain a speed of...

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  10. Angle described by hour hand in 12 hoours is ……..

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  11. Each angle in a square is ……

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  12. In the figure , the area of shaded region is …………. cm^(2).

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  13. Perimeter of semicircle is …………….. Units .

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  14. In the figure the relation among a , b and c is …………….

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  15. In the figure , a = ………….

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  16. Perimeter of sectors = ……………….

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  17. What do you observe from the below figure ?

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  18. The radius of a circle is doubled then its area becomes ……………….. Time...

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  19. In the given figure, angle APB = 60^@ and OP = 10 cm. then PA = ………….....

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  20. The maximum nuber of possible tangents that can be draw to a circle is...

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