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Two circles are having radii 9 cm and 12...

Two circles are having radii 9 cm and 12 cm. The distance between their centres is 15 cm. What is the length (in cm) of their common chord?

A

6.8

B

13.6

C

7.2

D

14.4

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CHAMPION PUBLICATION-2017 TIER-II PAPER(9)-EXERCISE
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  2. In the given figure. If AD = 12 cm, AE = 8 cm and EC = 14 cm, then wha...

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  3. Two circles are having radii 9 cm and 12 cm. The distance between thei...

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  4. Two circles touch each other at point X. Two common tangents of the ci...

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  5. Two circles touch each other at point X, A common tangent touch them a...

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  6. There are 8 equidistant points A, B, C, D, E, F, G and H (in same orde...

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  7. In the given figure, O is the centre of the circle and angle QOR= 50^@...

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  8. There circle C1,C2 and C3 with radii r1,r2 and r3 (where r1 <r2 <r3) a...

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  9. An equilateral triangle of area 300cm^(2) is cut from its three vertic...

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  10. In the given figure, PQR is an equilateral triangle with side as 12cm....

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  11. ABCD is a rectangle P is point on the side AB as shown in the given fi...

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  12. In the given figure PQRSTU is a regular hexagon of side 12 cm. what is...

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  14. In the given figure, 3 semicircles are drawn on three sides of triangl...

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  15. The sum of radii of the two circles is 91 cm and the difference betwee...

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  16. A right triangular prism has equilateral triangle as its base. Side of...

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  17. The height of a cone is 45cm. It is cut at a height of 15cm from its b...

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  18. The ratio of the curved surface area and total surface area of a right...

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  19. The radius and height of a solid cylinder are increased by 2% each. Wh...

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  20. A sphere of radius 21 cm is cut into 8 identical parts by 3 cuts (1 cu...

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