DrLIFE6263 DrLIFE6263

25-05-2023
Mathematics

contestada

9. Tennis balls are sold in cylindrical tubes that contain four balls. The radius of each tennis ball is 3.15 cm and the radius of the tube is 3.2 cm. The length of the tube is 26 cm. (a) [2 marks] Find the volume of one tennis ball. (b) [3 marks] Calculate the volume of the empty space in the tube when four tennis balls have been placed in it.

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