| www.khanacademy.org
| www.khanacademy.org
Achieve outstanding scores on math tests! Your live 1:1 math tutor will teach all the topics your child must learn and excel in order to succeed.| Alexander Math and Physics Tutoring
The area of a circle is often memorized, but rarely derived. In this article we will derive the area of a circle using the same methods as the Greeks.| Alexander Math and Physics Tutoring