The area of a sector whose perimeter is ...

The area of a sector whose perimeter is four times its radius (r units) is

A

`sqrt(r )` sq. units.

B

`r^(4)` sq. units.

C

`r^(2)` sq. units.

D

`(t^(2))/(2)` sq. units.

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The correct Answer is:

C

Primeter of a sector = l + 2r = 4r.

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