Question

Find the area of stadium with diameter 2.5 (pi=3.14)

Answer 1

the diameter of stadium is 2.5
the radius of stadium is 1.25
the area of stadium is 4πrsquare
4x3.14x1.25square=19.625

Answer 2

area = πr2
r=2.5/2=1.25
3.14*(1.25)^2
=4.8 (approx)