Question

Leslie keeps her goats

in a circular pen
enclosed by a fence.
The total length of the
fence is 100 yards.
What is the area of the
goat pen?

Answer 1

Explanation:

Circumference = 2 π r

100 = 2 π r

r = 100 / 2π

= 50/π

So the area = π r^2

= π * (50/π)^2

= 2500/π

= 795.8 yd^2.