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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

`90^@`

B

`60^@`

C

`45^@`

D

`30^@`

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BEYOND PUBLICATION-TANGENTS AND SECANTS TO CIRCLE-EXERCISE
  1. In the adjacent figure, BC is a tangent to the circle with centre 'O'....

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  2. In the adjacent figure, common tangents PQ and RS to two circles inter...

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

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  4. From a point P, the length of the tangent to a circle is 12 cm, and th...

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

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

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  7. In the adjacent figure, if quadrilateral PQRS circumstances a circle t...

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  8. In the adjacent figure APB is a tangent to the circle with centre 'O' ...

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  9. The length of the tangent drawn from a point 17 cm away from the centr...

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  10. In the adjacent figure, the length of the chord AB if PA = 6 cm and an...

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  11. A line intersecting a circle in two points is called a ………..

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  12. The number of tangents that can be drawn to a circle at any point on i...

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  13. The number of parallel tangents that can be drawn to a circle can have...

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

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

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  16. Length of the arc of a quadrant of a circle of radius 'r' is

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  17. The length of the arc A xx B in the adjacent figure is

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  18. The area of a sector of a circle of radius 7 cm and central angle 45^...

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  19. In the adjacent figure, 'O' is the centre of the circle. The area of t...

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  20. A tangent PQ at a point P of a circle of radius 5 cm meets a line thro...

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