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Choose the correct answer and give justi...

Choose the correct answer and give justification for each .
The angles between a tangent to a circle and the radius draw at the point of contact is

A

`60^@`

B

`70^@`

C

`90^@`

D

`20^@`

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VGS PUBLICATION-BRILLIANT-TANGENTS AND SECANTS TO A CIRCLE-EXERCISE
  1. Parallelogram circumscribing a circle is a ………………..

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

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

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

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

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

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

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

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

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  10. Each angle in a square is ……

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

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  12. Perimeter of semicircle is …………….. Units .

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

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  14. In the figure , a = ………….

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  15. Perimeter of sectors = ……………….

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  16. What do you observe from the below figure ?

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

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

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

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  20. Angle between the tangent and radius drawn through the point of contac...

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