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Canister holds 3 tennis balls the diameter of the balls is the same as the diameter of the cylinder 6 cm how much space in the cylinder is not taken? Since 3 tennis balls fit in the cylinder, the height of the cylinder is 3 * the diameter of a tennis ball Volume of Sphere = 4/3 * Π radius^3 Volume of Cylinder = height * Π radius^2 The diameter of a tennis ball is 6 cm The radius is 3 cm. Volume of 3 balls = 3* 4/3 * Π * radius^3 Volume of 3 balls = 3* 4/3 * Π * 3^3 Height of Cylinder = 3 * 6 cm = 18 cm Volume of cylinder = 18 * Π * 3^2 Space in the cylinder is not taken = Volume of cylinder - Volume of 3 balls Do the math, you should get 169.6 cc for the space in the cylinder is not taken.
Since a tennis ball has a diameter that is greater than 2 inches, the answer is 0.
Officially, 40mm in diameter. Originally, table tennis balls were officially 38mm in diameter. It wasn't until October 1st, 2000 that the ITTF changed the official ball size from 38mm to 40mm. The reason for the change was to make the game more appealing to spectators by slowing down the ball. There are some recreational ball sizes that are played with for fun such as the 46mm ball (huge!).
I believe it called a Bucky Ball. After Buckminster Fuller.
You do a diameter circle!!