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ABCD be a cycle quadrilateral inscribe...

ABCD be a cycle quadrilateral inscribed in a circle of radius R. The sides of a quadrilateral which can be inscribed in a circle are 6,6,8and 8cm.Then radius of circumcircle is

A

5/2cm

B

24/7cm

C

11/7cm

D

none of these

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The correct Answer is:
D
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