A circle with an 8-inch diameter has a perimeter of 25.1 inches.
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The lineal inch of a 90-degree circle, also known as the circumference, can be calculated using the formula: Circumference = pi * diameter. In this case, the lineal inch will be equal to pi times the diameter of the circle.
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.
The area of a circle with an 8 inch diameter is approximately 50.27 square inches.
A circle with a diameter of 198 inches has an area of 30,790.75 square inches.