Area = pi*r2
r(radius) = diameter/2 = 16 feet/2 = 8 feet
Area = pi(8 ft)2
= 201 ft2
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7.0686 square feet for a 3-foot diameter circle.
50.3 square feet for an 8-foot diameter circle.
803.84 feet
The circumference of a 19 foot diameter circle is: 59.7 feet.
Diameter = 7 feet Radius = 3.5 feet Area of circle = pi x r x r = 3.1415 x 3.5 x 3.5 =38.483 square feet.