Sophia’s self-paced online courses are a great way to save time and money as you earn credits eligible for transfer to many different colleges and universities.*

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* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 33 of Sophia’s online courses. Many different colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.

Tutorial

How to Derive a Formula for the Surface Area of a Cylinder

In this lesson, we'll figure out a formula for the surface area of a cylinder--using nothing but our knowledge of circles and cans of beans!