3.1415926535897932384626433832795028841971693993751..square inches
There are: pi*1*1 = pi square inches
Area = 0.785 square inches.
If the circle has a diameter of 8 inches, it's 50.265 square inches. If the circle has a radius of 8 inches, it's 201.06193 square inches. In the odd case that the circle has a circumference of 8 inches, it's 5.09296 square inches.
The circumference of a six-inch diameter circle is: 18.8 inches.
A 4.75-inch diameter circle contains 17.72 square inches.
The area of a circle with an 8 inch diameter is approximately 50.27 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.
There are 100*pi square inches in a 20 inch diameter circle
A 1.25-inch diameter circle contains 1.227 square inches.
A 20-inch diameter circle contains: 314.16 square inches.
The area of 3.5-inch diameter circle is: 9.621 square inches.
The area of a 18-inch diameter circle is: 254.5 square inches.
The area of a circle that has an 8.5 inch diameter is: 56.75 square inches.
The area of a circle that has a 12-inch diameter is: 113.1 square inches.
The area of a circle with a 5-inch diameter is: 19.63 square inches.