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The area of a sector of a circle of rad...

The area of a sector of a circle of radius 7 cm and central angle `45^@` is

A

`5.5 cm^2`

B

`19.25 cm^2`

C

`154 cm^2`

D

`77 cm^2`

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BEYOND PUBLICATION-TANGENTS AND SECANTS TO CIRCLE-EXERCISE
  1. Length of the arc of a quadrant of a circle of radius 'r' is

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

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

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

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

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  6. The number of parallel tangents to a circle with a given tangent is ……

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

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  8. The semi perimeter of triangle ABC = 28 cm then AF + BD + EC is

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

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  10. In the figure 'O' is the centre of the circle and PA, PB are tangents ...

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  11. Angle in a major segment is …..

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

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  13. If the arc is a minor arc then the segment is a ………… segment

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

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

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

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

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

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  20. If a circle is inscribed in a Quadrilateral then AB +CD= ………..

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