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If the radius of a sphere is measured to...

If the radius of a sphere is measured to be `( 2.1 +- 0.05)`cm.Calculate the surface area ( in `cm^(2)`)

A

`54.45 +- 2.46`

B

`55.44 +- 2.64`

C

`52.03 +- 4.26`

D

`45.54 +- 2.68`

Text Solution

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The correct Answer is:
B
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