PI R SQUARED?

TeacherTube User: jamsullivan

TeacherTube URL: http://www.teachertube.com/vie....wVideo.php?video_id=

This is a math video lesson to help you with new math, math tricks, and or simple math questions you may have.

This video provides an informal proof of the formula for the area of a circle pi times the radius squared. There is no audio at the present time. All of the necessary text and diagrams are on the screen.