Circumference of pool ball: 2*pi = 6.283 inches rounded to 3 decimal places
484/7 = 69 and one seventh ft
Circumference of a circle = 2*pi*radius or diameter*pi
Because the standard cue ball used in American pocket billiards is 2.25 inches in diameter, the circumference is approximately 7.07 inches. You find this answer by using the formula for circumference of a circle given by C= 2 x pi x radius, where pi equals 3.14 and radius is 2.25 divided by 2 or 1.125 inches.
Circumference = 2*38*pi feet
The radius of a circle is half the diameter, so in this case, the radius of a 24-foot diameter pool would be 12 feet. The formula to find the radius from the diameter is: radius = diameter / 2. Therefore, the radius of a 24-foot diameter pool is 12 feet.
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.
approx. 6.28 in.
50.266
The circumference of a 27-foot diameter circle is about 84.82 feet. (diameter x Pi = circumference).
Six feet. Circumference = 2PiR, or Pi * Diameter. Pi is close to 3, so a pool with circumference of 18' would have a diameter of 6'
If the diameter is 25 feet then the circumference is 78.5 feet (approx).
Circumference of any circle = 2*pi*radius or diameter*pi
Circumference of a circle = (pi) x (diameter)C = (22) x (pi) = 69.115 feet (rounded)
Circumference of the circular pool: 20*pi feet
484/7 = 69 and one seventh ft
In the US, a billiards ball or pool ball is 2.25 inches in diameter. This is 1.125 for its radius. The only exception is the oversize cue ball, which is 2.375 inches in diameter.
About 20 feet. In a circle, the widest point will be its diameter. The distance round the circle is called its circumference (21 yards for your pool), and that is the diameter multiplied by pi. So the diameter is the circumference divided by pi. Pi is a never-ending number, but we'll use the short version of 3.142. So the diameter of your pool is 21 yards divided by 3.142, or 63 feet / 3.142 = 20.05 ft. I think we can safely ignore the 0.05 feet (just over half an inch).