Problem 24 of 7
Find the volume of a cone with diameter 4 and height 21.
Hints
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
use V=1/3 pi r^2 h.
Hidden until you reveal it.
Use V=1/3 pi r^2 h; slant height is not used for volume.
Enter your answer
No answer yet
Correct
Your answer is equivalent to the expected form.
Solution
Walkthrough
Walkthrough shown
Full solution stays hidden until you ask for it.
1. Identify radius and perpendicular height.
2. Compute pi r squared h.
3. Divide by 3.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Missing the one-third factor.