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Prove that opposite sides of a quadrilat...

Prove that opposite sides of a quadrilateral circumscribing a circle subtend supplementary angles at the centre of the circle .

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VGS PUBLICATION-BRILLIANT-TANGENTS AND SECANTS TO A CIRCLE-EXERCISE
  1. Prove that the angle between the two tangents drawn from an external p...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  19. Draw a circle of radius 5 cm . From a point 8 cm away from its centre ...

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  20. Two concentric circles of radii 10 cm and 6 cm are drawn . Find the le...

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