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PQ is a common chord of two circles. APB...

PQ is a common chord of two circles. APB is a secant line joining points A and B on the two circles. Two tangents AC and BC are drawn. If `/_ACB = 45^@`, then what is `/_AQB ` equal to ?

A

`75^(@)`

B

`90^@`

C

`120^@`

D

`135^@`

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The correct Answer is:
D
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LUCENT PUBLICATION-CIRCLE AND ITS TANGENT LINES-EXERCISE 8A
  1. In the figure given below, what is the measure of angle CBA?

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  2. A,B,C and D are 4 points on the circumference of the circle and O is...

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  3. PQ is a common chord of two circles. APB is a secant line joining poin...

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  4. ABCD is a cyclic quadrilateral. The tangent at A and C meet at a point...

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  5. In the figure XY is a tangent to the circle with centre O at A. If ang...

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  6. In the figure given above, AP = 3 cm, PB = 5 cm, AQ = 2 cm and QC = x....

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  7. In the figure given above, PT is a tangent to a circle of radius 6 cm....

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  8. A point P moves such that its distances from two given points A and B...

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  9. In the given figure O is the centre of the circle. Line UTV is tangent...

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  10. In the figure, angle AOB = 46^(@), AC and OB intersect at right angle ...

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  11. In the figure given above, O is the centre of the circle and angle AOD...

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  12. What is the number of circles passing through a given pair of points ?

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  13. In the given figure, AB is a diameter of a circle and CD is perpendicu...

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  14. The edges of the diameter of circles are A & B whose centre is P. A po...

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  15. ABCD is quadrilateral whose sides touch a given circle. Which of the f...

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  16. Let PAB be a secant to a circle intersecting at points A and B, and PC...

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  17. In the figure below, if angle BAD = 60^(@), angle ADC = 105^(@), then ...

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  18. In the figure given above, PQ is a diameter of the circle whose centre...

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  19. In the given figure O is the centre of the circle AC and BD intersects...

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  20. Let A and B be two points. What is the locus of the point P such that ...

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