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If the sides of a quadrilateral ABCD tou...

If the sides of a quadrilateral ABCD touch a circle prove that
`AB+CD=BC+AD.`

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NAGEEN PRAKASHAN ENGLISH-CIRCLES-Exercise
  1. Two circles touch each other internally. Show that the tangents drawn ...

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  2. Two concentric circles are of radii 13 cm and 5 cm. Find the length of...

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  3. If the sides of a quadrilateral ABCD touch a circle prove that AB+CD...

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  4. Prove that the tangents drawn at the ends of a diameter of a circle...

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  5. From a point P outside a circle, with centre O, tangents PA and PB are...

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  6. triangleABC is an isosceles triangle in which AB=AC, circumscribed abo...

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  7. Tangents AP and AQ are drawn to a circle, with centre O, from an exter...

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  8. PQR is a right angled triangle at Q with QR =12 a=cm and PQ=5cm. A cir...

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  9. In the given figure quadrilateral ABCD is circumscribed and AD|DC. Fin...

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  10. In the given figure O is the centre of the circle and AB is a tangents...

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  11. From a point P, two tangents PA and PB are drawn such that PA=10 cm an...

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  12. From an external point P, tangents PA and PB are drawn to a circle. CE...

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  13. In the giben figure, AB is the diameter of the circle, with centre O a...

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  14. In the given figure, PA and PB are tangents to a circle with centre O....

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  15. In the given figure two concentric circles with centre O are of radii ...

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  16. In quadrilateral ABCD angled D=90^(@), BC=38cm and DC=25cm. A circle i...

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  17. Two tangent segments BC and BD are drawn to a circle with centre O and...

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  18. Prove that the tangents drawn at the ends of a diameter of a circle...

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  19. Prove that in two concentric circles, the chord of the larger circl...

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  20. Prove that the line segment joining the points of contact of two paral...

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