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In two concentric circles, a chord of le...

In two concentric circles, a chord of length 16 cm of larger circle becomes a tangent to the smaller circle whose radius is 6 cm. Find the radius of the larger circle.

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The correct Answer is:
AD = 10 cm
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PREMIERS PUBLISHERS-GEOMETRY-SOLUTION TO EXERCISE 4.4
  1. The length of the tangent to a circle from a point P, which is 25 cm a...

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  2. Delta LMN is a right angled triangle with angle L=90^(@). A circle is ...

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  3. A circle is inscribed in Delta ABC having sides 8 cm, 10 cm and 12 cm ...

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  4. PQ is a tangent drawn from a point P to a circle with centre O and QOR...

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  5. A tangent ST to a circle touches it at B. AB is a chord such that angl...

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  6. In figure, O is the centre of the circle with radius 5 cm. T is a poin...

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  7. In two concentric circles, a chord of length 16 cm of larger circle be...

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  8. Two circles with centres O and O' of radii 3cm and 4 cm, respectively ...

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  9. Show that the angle bisectors of a triangle are concurrent.

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  10. In Delta ABC, with angle B=90^(@), BC=6 cm and AB=8 cm, D is a point o...

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  11. An artist has created a triangular stained glass window and has one st...

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  12. Draw a tangent at any point R on the circle of radius 3.4 cm and centr...

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  13. Draw a circle of radius 4.5 cm. Take a point on the circle. Draw the t...

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  14. Draw the two tangents from a point which is 10 cm away from the centre...

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  15. Take a point which is 11 cm away from the centre of a circle of radius...

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  16. Draw the two tangents from a point which is 5 cm away from the centre ...

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  17. Draw a tangent to the circle from the point P having radius 3.6 cm, an...

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