Area of a circle – Geometry

Home » Area of a circle – Geometry
Print Friendly, PDF & Email
Parts of a circle

The geometry of a circle

The area of a circle is the flat surface inside its circumference. The area is always equal to the radius squared, multiplied by π (pi).

Here’s a proof that this is always true for any circle.

Learn by doing: figure out the area of some circles around you.
Circumference of a Circle
More about Geometry

Bibliography and further reading about circles:


More about Geometry
More about Math home

By | 2017-07-28T00:00:26+00:00 July 28th, 2017|Math|0 Comments
Cite this page: Carr, K.E. Area of a circle – Geometry. Study Guides, July 28, 2017. Web. May 27, 2018.

About the Author:

Karen Carr is Associate Professor Emerita, Department of History, Portland State University. She holds a doctorate in Classical Art and Archaeology from the University of Michigan. Follow her on Instagram, Pinterest, or Twitter, or buy her book, Vandals to Visigoths.

Leave A Comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.