Question

the area of circle whose semi perimater 4 pie

Answer 1

Answer:

semi perimeter :4π      ....1

perimeter of a circle:2πr

semi perimeter :$\frac{2pir}{2}$

=πr     ....2

comparing 1&2,   we get r=4.

area of the circle=π$r^{2}$

=π$4^{2}$

=16π    or   50.24(approx..)

hope it helps...