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`triangleABC` is an isosceles triangle in which AB=AC, circumscribed about a circle. Prove that the base is bisccted by the point of contact.

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NAGEEN PRAKASHAN ENGLISH-CIRCLES-Exercise
  1. Prove that the tangents drawn at the ends of a diameter of a circle...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  18. Prove that the opposite sides of a quadrilateral circumscribing a circ...

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  19. From a point P, two tangents PA and PB are drawn to a circle with cent...

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  20. The incircle of an isoceles triangle ABC, with AB=AC, touches the side...

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