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If A=pi(R^(2)-r^(2)), then R is equal to...

If `A=pi(R^(2)-r^(2))`, then R is equal to

A

`sqrt((A-pir^(2))/(pi))`

B

`sqrt((A+pir^(2))/(pi))`

C

`sqrt((r^(2)pi-A)/(pi))`

D

`sqrt((r^(2)pi-A)/(r))`

Text Solution

Verified by Experts

The correct Answer is:
B
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