SOLUTION: The athletic department at pi high school is planning a circular track for 440 yards long the area inside the track will be planted with Sod about how many square yards of sod will

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Question 1026216: The athletic department at pi high school is planning a circular track for 440 yards long the area inside the track will be planted with Sod about how many square yards of sod will be needed round answer to the nearest 100 yd.²
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
If it is a circular track
of 440 yards long.(Circumference)
Circumference = Pi x diameter
440 = Pi x 2r (Diameter = 2 x radius)
Radius = 440/2 x Pi
Area of circle = Pi x (440/2 x Pi)^2
Area of circle = 15406.i9 yds^2
= 15,400 yds^2 (nearest 100 yd^2)
Hope this helps :-)