A 4.75-inch diameter circle contains 17.72 square inches.
19.63 square inches are in the area of a 5-inch diameter circle.
The area of a 3-inch diameter circle is about 7.068 square inches.
In a circle with a diameter of 4, there would be approximately 12.56 square inches in the circle.
The area of a circle with an 8 inch diameter is approximately 50.27 square inches.
A 1.25-inch diameter circle contains 1.227 square inches.
70.9 square inches.
A 20-inch diameter circle contains: 314.16 square inches.
9.082
Area of a circle = (1/2 x diameter)2 x piArea of a 24 inch diameter circle:(12 inches)2 x 3.1416 = 144 square inches x 3.1416 = 452.4 square inches
256*pi square inches Area of a circle = pi*radius2
There are 100*pi square inches in a 20 inch diameter circle