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In the figure given above, PT is a tange...


In the figure given above, PT is a tangent to a circle of radius 6 cm. If P is at a distance of 10 cm from the centre O and PB = 5 cm, then what is the length of the chord BC ?

A

7.8 cm

B

8.0 cm

C

8.4 cm

D

9.0 cm

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LUCENT PUBLICATION-CIRCLE AND ITS TANGENT LINES-EXERCISE 8A
  1. In the figure XY is a tangent to the circle with centre O at A. If ang...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  17. In the figure given above, O is the centre of the circle OA = 3 cm, AC...

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  18. Two circles touch each other internally. Their radii are respectively ...

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  19. The distance between the centres of two circles is 10 cm whose radius ...

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  20. If the radii of two circles be 6 cm and 3 cm and the length of the tra...

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