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In DeltaABC,if AC=8, BC=7 and D lies bet...

In `DeltaABC,if AC=8, BC=7` and D lies between A and B such that `AD=2, BD=4,` then the length CD equals

A

` sqrt46`

B

`sqrt48`

C

`sqrt51`

D

`sqrt75`

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The correct Answer is:
A
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