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A lead pencil consists of a cylinder of ...

A lead pencil consists of a cylinder of wood with a solid cylinder of graphite filled in the interior. The diameter of the pencil is 7 mm and the diameter of the graphite is 1 mm. If the length of the pencil is 14 cm, find the volume of the wood and that of the graphite.

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To solve the problem of finding the volume of wood and graphite in a lead pencil, we will follow these steps: ### Step 1: Understand the dimensions - The diameter of the pencil (wood cylinder) is 7 mm. - The diameter of the graphite (inner cylinder) is 1 mm. - The length of the pencil is 14 cm. ### Step 2: Convert diameters to radii in centimeters ...
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