20 Years of JMAP
Development of
JMAP began in March, 2004.
Please consider a $20 donation to acknowledge JMAP's impact on
high school mathematics education for the last 20 years!
Give an informal argument for the formulas for the circumference of
a circle, area of a circle, volume of a cylinder, pyramid, and cone.
Use dissection arguments, Cavalieri’s principle, and informal limit
arguments.