Practice variation 3 of 3
Volume of revolution — Intersection at π/3
Your question
Find the volume when the region between and from to is rotated about the -axis.
This practice question was inspired by Question 13(b) in the 2020 NSW HSC Mathematics Extension 1 examination, © NESA. It is an original TestMum variation that practises the same mathematical idea, not an official NESA question.
Before you check
- Have you stated every choice or assumption?
- Can another student follow each line?
- Did you verify the final result independently?