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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 an angle of `70^(@)` , then `/_POA` is equal to

A

`70^(@)`

B

`55^(@)`

C

`100^(@)`

D

`40^(@)`

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The correct Answer is:
B
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Two tangents AB and AC are drawn from an external point A to a circle with centre O . If they are inclined to each other at an angle of 100^@ then what is the value of angleBOC.

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NAVNEET PUBLICATION - MAHARASHTRA BOARD-CIRCLE-EXAMPLES FOR PRACTICE
  1. How many circles can be drawn to pass through three non-collinear poin...

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  2. A tangent AB, at a point A of a circle of radius 5 cm, meets a line th...

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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. If TP and TQ are two tangents to a circle with centre O , so that /PO...

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  5. In the figure, sides of triangle ABC are tangents to the circle touchi...

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  6. AP is tangent to the circle with centre O at point A. OP =10 cm and /...

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  7. In the given figure, if AP= PB, then

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  8. In the figure, a circle touches the side DF of triangle EDF at H and t...

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  9. The side AB, BC and CA of triangle ABC touch a circle at P,Q and R res...

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  10. In the figure, if /ABC = 60^(@) , then /AOC =

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  11. In the figure, chords AD and BC intersect each other at right angles a...

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  12. PQRS is a cyclic uadrilateral such that PR is the diameter of the circ...

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  13. In the figure, O is the centre of the circle such that /AOC-140^(@), ...

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  14. If P,Q,R are three points which lie on the circle with centre O such t...

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  15. In the figure, chords PQ and RS intersect at T as shown. If /PSR=42^(@...

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  16. In the figure, square PQRS is cyclic, /SPQ=7x^(@) and /SRQ=11x^(@), t...

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  17. In the figure, /QPR has its vertex outside the circle such that m(arc ...

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  18. In the figure, chord AB and chord CD intersect at point M inside the c...

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  19. In the figure, ray PT touches the circle at point T and line PAB is se...

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  20. Find the length of tangent segment drawn to a circle with radius 5 cm ...

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