Question

 if the perimeter of a semicircular Park is 72m 
find its area and radius​

Answer 1

we take the value of π=3.14

72 =2π r

72=2×3.14 ×r

72= 6.28×r

72×100/628= r

11.4649682=r

✨

Answer 2

Answer:

A/q

2pir=72

take pi = 3.14

2×3.14×r=72

r=72/2×3.14

r=11.464..m ans..

area =pir^2

=3.14×11.4^2

=3.14×129.96

=478.074m^2 ans...