In !ABC,angleA=pi/2b=4,c=3 ,then the val...

In `!ABC,angleA=pi/2b=4,c=3` ,then the value of `R/r` is equal to

A

`5//2`

B

`7//2`

C

`9//2`

D

`35//24`

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The correct Answer is:

A

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