What is the volume of one slice of pizza?
In the United States, a circular pizza pie measuring 12 inches in diameter is usually sliced into 8 uniform pieces. Assuming the pizza has a height of 1/8 of an inch and the whole pie can be assumed to have uniform thickness and density, what is the volume (in in^3) of one slice of pizza to 1 decimal place?
The answer is 1.8.
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We are dealing here with a (very short) cylinder. The volume of a cylinder is V = π r 2 h . Thus, the volume of a slice (one eighth of the cylinder) is 8 π × 6 2 × 8 1 = 6 4 3 6 π = 1 6 9 π ≈ 1 . 7 6 7