What is a "8 inch ball" ?
Is 8 inches the diameter ? Then its diameter is 8 inches.
Is 8 inches the radius ? Then its diameter is 16 inches.
Is 8 inches the circumference ? Then its diameter is about 2.546 inches (rounded).
12 inches?
A circle with an 8-inch diameter has a perimeter of 25.1 inches.
8 "
The area of a circle with an 8 inch diameter is approximately 50.27 square inches.
6/8 of an inch
12 inches?
A circle with an 8-inch diameter has a perimeter of 25.1 inches.
The diameter of a pool ball is 2 and 1/4 inch diameter. The radius of a pool ball is 1 and 1/8 inches. The radius is one half of the diameter.
8 "
Divide your circumference by pi = 3.141592654 and you get the diameter. The diameter is 8 / 3.141592654 = 2.546479089 inches.
Its usually defined by the diameter of the ball, like an 11 inch disco ball would have a diameter of 11 inches, not a radius of 11 inches.
The area of a circle with an 8 inch diameter is approximately 50.27 square inches.
Divide your circumference by pi = 3.141592654 and you get the diameter. The diameter is 8 / 3.141592654 = 2.546479089 inches.
6/8 of an inch
7/8 diameter drill or .875
by diameter its 105 : 5 = 21 : 1 by surface area its 441 : 1 by volume its 9261 : 1
The radius of a 10-inch ball is half of its diameter. Therefore, the radius is 10 inches divided by 2, which equals 5 inches.