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In given figure, a quadrilateral ABCD is...

In given figure, a quadrilateral ABCD is drawn to circumscribe a cirle, with centre O, in such a way that the sides AB, BC, CD and DA tocuh the circle at the points P, Q, R and C respectively. Prove that AB + CD = BC + DA.

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AGRAWAL PUBLICATION-CIRCLES-EXAMPLE
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  4. In the figure, O is the centre of the circle. PQ is a chord and PT is ...

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  6. In given figure, two tangents RQ and RP are drawn from an external poi...

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  11. If the angle between two tangents drawn from an external point P to a ...

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  12. In the figure, angle ADC = 90^@ BC = 38 cm, CD = 28 cm and BP = 25 m....

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  13. If a circle touches the side BC of a triangle ABC at P and extended si...

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  14. Out of two concentric circles, the radius of the outer circle is 5 cm ...

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  15. In given figure two circle touch each othe at point C. prove that comm...

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  16. prove that the parallelogram circumscribing a circle is a rhombus.

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  17. In the given figure common tangents AB and CD to two circles intersect...

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  18. In the figure, AB is a chord of a circle, with centre O such that AB =...

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  19. In the given figure , the radii of the two circles are equal, prove th...

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  20. ABC is a right triangle in which angle B = 90^@. If AB = 8 cm and BC =...

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