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O is the centre of a circle. AB is a cho...

O is the centre of a circle. AB is a chord of the circle but not its diameter. OC is perpendicular to AB. If OC = CB and radius of the circle be 7 cm, then the length of AB is

A

`7 sqrt(2) cm`

B

`14 cm`

C

7 cm

D

`(7)/( sqrt(2))` cm

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The correct Answer is:
A
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