Problem 25 of 34geo-025
A paper cup shaped like a right circular cone is 12 centimeters across its circular top and 10 centimeters deep. Using , what is its volume, in cubic centimeters?
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Solution walkthrough1:35
- A cone holds one third of the cylinder with the same top and depth: .
- The formula needs the radius. cm across the top is the diameter, so .
- Put in and the depth : .
- , and . Then cubic centimeters.
- Traps: leaves out the . uses as the radius. makes both mistakes.