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If tangents PA and PB from a point P to a circle with centre O are inclined to each other at angle of `110^(@)` , then `anglePOA` is equal to

A

`45^@`

B

`50^@`

C

`70^@`

D

`35^@`

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BEYOND PUBLICATION-TANGENTS AND SECANTS TO CIRCLE-EXERCISE
  1. To draw a pair of tangents to a circle which are inclined to each othe...

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  2. If the radii of two concentric circles are 5 cm and 13 cm then the len...

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

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  4. In a right triangle ABC, right angled at B , BC = 15 cm and AB = 8 cm ...

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  5. Three circles are drawn with the vertices of a traingle as centres suc...

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  6. A circle may have ........ parallel tangents utmost.

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  7. A tangent to a circle intersects it in ………. Point (s) .

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  8. A line segment joining any point on a circle is called its ……

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  9. A line which intersects the given circle at two distinct points is cal...

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  10. The common point to a tangent and a circle is called …..

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

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  12. The circumference of a circle is 100 cm . The side of a square inscrib...

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  13. The area of a square inscribed in a circle of radius 8 cm is ………cm^(2)...

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  14. The area of a circle that can be inscrinbed in a square of side 6 cm i...

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  15. The perimeter of a quadrant of a circle of radius (7)/(2) cm is ………cm

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  16. The number of tangents at one point of a circle is …..

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  17. Number of tangents to a circle which are parallel to a secant are ……

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  18. ……….tangent can be drawn from a point inside a circle .

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  19. A line which is perpendicular to the radius of the circle through the ...

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  20. The number of tangents draw at the end of the diameter is …………

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