Each of the 10 sides of the decagon is 1.9314 inches long.
If the diameter of a circle is 12 inches the circumference is: 37.7 inches (diameter x pi = circumference).
The circumference of a circle with a diameter of 45 inches is 141.37 inches.
If a circle circumference is 9.5 inches the diameter is 3.024 inches.
If the circumference of a circle is 62.8 inches the diameter is: 20 inches.
The circumference of a circle with a diameter of 3 inches is 9.425 inches.
The circumference of a circle when the diameter is 17 inches is: 53 inches.
The circumference of a circle that has a diameter of 35 inches is 109.96 inches.
The circumference of a circle with the diameter 11 inches is 34.56 inches.
If the area of a circle is about 28 square inches the diameter of the circle is: about 6 inches (5.971).
The diameter is double the radius of a circle. So you get 5 inches for the diameter.
The area of a circle with a diameter of 16 inches is: 201.1 square inches.
The area of a circle with a diameter of 16 inches is: 201.1 square inches.