Area of a 39 Foot Circle
What is the area of a circle with a DIAMETER of 39 feet (radius of 19.5 feet)? How big is a 39 foot circle?
Diameter
cm
Diameter
ft
in
Diameter
meters
Diameter
yards
Units
Area of a 39′ diameter circle
1,194.6 | square feet |
172,020 | square inches |
132.73 | square yards |
0.027424 | acres |
110.98 | square meters |
1,109,800 | square centimeters |
0.011098 | hectares |
results may be rounded
Area of a Circle Formula
The area of a circle is pi times the square of its radius. The radius is half the diameter.
Area = π * (Diameter / 2)2
Diameter of a Circle
The diameter of a circle is the distance from one edge to the other, passing through the center. It is twice the radius.