A circle is a perfectly round geometric shape which you will see again and again in your studies of math concepts. You will need to have an understanding of its diameter, radius, circumference, area, arcs, and sectors. You will also work with objects that are tangent to a circle and what that means.
Shelby Joe 周 is the Founder of Piqosity. He has more than 20 years of experience in education as an entrepreneur, professor, and tutor. Shelby earned his BA in Political Science from Rice University. Born and raised in Mississippi, he now resides in Houston but has also lived in Beijing, Shanghai, and Hamburg.