Answer
2$\pi$h(R + r)
Work Step by Step
1. Find the GCF of 2$\pi$Rh + 2$\pi$rh
GCF = 2$\pi$h
2. Factor out the GCF: 2$\pi$h(R + r)
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.