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The lengths of two radii of two circles are repectively 3 cm and 2 cm. If the distance between the centres of the circles be 13 cm, the find the length of common tangent to the circles.

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12 cm
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CALCUTTA BOOK HOUSE-THEOREMS RELATED TO TANGENT IN A CIRCLE -EXERCISE 4.1
  1. PR and PS are two tangents drawn from a extental point P of the Circle...

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  2. PQ is a diameter of the circle with centre at O. The tengent drawn at ...

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  3. PQ is a chord of the circle with centre at C and of radius 4 cm.The ta...

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  4. The tangent drawn from an extenral point A of the circle with centre C...

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  5. If two circles touch internally,then the distance between the centres ...

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  6. The tangent to a circle at any point on it is perpendicular to the rad...

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  7. Only "" tangent can be drawn at any point on the circumference of a ci...

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  8. The perpendicular drawn on radius at the end point of radius of a circ...

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  9. The radii of two circles are 10 cm and 5 cm and the distance between t...

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  10. PQ is a diameter of the circle with centre at O. The tangent drawn at ...

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  11. The lengths of two radii of two circles are repectively 3 cm and 2 cm....

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  12. Prove that the centres of three equal circles touchinhg each other are...

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  13. AB and AC are two tangents to the circle with centre at O. Prove that ...

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  14. Two equal circles touches each other externally at a point C and a lin...

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  15. The quadrilateral ABCD is circumsribed about a circle. Prove that AB+ ...

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  16. Two circles touch each other externally at a point A and a stright lin...

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  17. Prove that the parallelogram circumscribed about a circle is only a rh...

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  18. Draw a circle with radius 3.4cm and draw a tangent at one side of the ...

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  19. Draw a circle of radius 4cm. From a point 8cm away its centre, constru...

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  20. Draw a circle of radius 5cm. From a point 11cm away its centre, constr...

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