Area and Circumference

Question

the spinning sprinklers makes a circle with a 20 ft radius. How much of the lawn got touched by water

Answer 1

Area = A = pi(r)^2

A= pi(20)^2 = 400pi ft^2

A= about 400(3.14159) ft^2 = 1,256.636 ft^2

= about 1 1/4 thousand square feet