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A locking pin is often made using a cyli...


A locking pin is often made using a cylinder-cylinder pair in which a narrow cylinder fits tightly inside a wider cylinder. The inner cylinder protrudes from the outer cylinder, usually by equal amounts on both ends. In the diagram above, the radius of the inner cylinder is half the radius of the outer cylinder by 4 centimeters on each end. What is the volume of the locking pin ? Round your answer to the nearest cubic centimeter.

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The correct Answer is:
`402`
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