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Prove that the angle between the two tan...

Prove that the angle between the two tangents drawn from an external point to a circle is supplementary to the angle subtended by the line segment joining the points of contact at the centre.

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VGS PUBLICATION-BRILLIANT-TANGENTS AND SECANTS TO A CIRCLE-EXERCISE
  1. A B and CD are respectively arcs of two concentric circles of radii 21...

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  2. Calculate the area of the desigred region in figure , common between t...

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  3. Prove that the angle between the two tangents drawn from an external p...

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  4. PQ is a chord of length 8 cm of a circle of radius 5 cm. The tangents ...

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  5. Prove that opposite sides of a quadrilateral circumscribing a circle s...

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  6. Draw a line segment AB of length 8 cm . Taking A as centre draw a circ...

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  7. Let ABC be a right traingle in which AB = 6 cm , BC = 8 cm and angle...

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  8. find the area of the shaded region in figure, given in which two circl...

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  9. How many tangents can be draw to a circle from a point on the same cir...

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  10. Find the length of the tangent from a point , which is 9.1 cm away fro...

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  11. "The length of the tangent from an external point 'P' to a circle with...

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  12. The length of the minute hand of a clock is 3.5 cm Find the area swept...

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  13. The length of the tangent to a circle from a point 17 cm from its cent...

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  14. A point P is 25 cm from the centre O of the circle. The length of the ...

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  15. Find the length of the tangent from a point 13 cm away from the centre...

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  16. Prove that "in two concetric circles, a chord of the bigger circle , t...

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  17. From an external point two tangents are drawn to a circle.A line joini...

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  18. AB is a chord of the circle and AOC is its diameter , such that angle...

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  19. Draw a circle with 5 cm radius and construst a pair of tangents to the...

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  20. Draw a circle wih radius 3 cm and construct a pair of tangents from a ...

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