Question

e) If the perimeter of a circle is 6π cm, then its area is

I want solution not answer I knew answer is 9πcmssquare​

Answer 1

perimeter of circle=2πr

6πcm=2πr

6=2r

therefore r=3 cm

area of circle=πr^2

=π(3)^2

=9πcmsquare

It may be useful!