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The semivertical angle of a cone is 45^(...

The semivertical angle of a cone is `45^(@)`. If the height of the cone is 20.025 cm, then the approximate value of its lateral surface area
(in sq. cm ) is

A

`401sqrt(2) pi`

B

`400 sqrt(2) pi`

C

`402 sqrt(2) pi`

D

`405 sqrt(2) pi`

Text Solution

Verified by Experts

The correct Answer is:
A
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