Problem 88 of 7
Solve the composite-volume problem: two cylinders, volumes 45pi and 20pi, joined together.
Hints
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add or subtract volumes of standard solids.
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Composite volume must add included solids and subtract removed solids.
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Solution
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1. Decompose the figure into standard solids.
2. Compute each part's volume.
3. Add solid parts and subtract removed parts.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Adding a void or subtracting an attached solid.