The radius would be 10 inches. Not sure about a radious, though.
The outer radius is 20/2 = 10 inches
10 inches
Volume = pi*r2*h = 282.7433 cubic inches
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).
The radius is 6 inches.
10 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.
20 inches will be the 'diameter' so the 'radius' will be 10 inches.
The outer radius is 20/2 = 10 inches
The radius would be 10 inches. Not sure about a radious, though.
10 inches
A circle with a 12 inch diameter has a 6 inch radius.
Volume = pi*r2*h = 282.7433 cubic inches
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).
The radius is half of the 4 inch diameter. Therefore, the radius is 2 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.