Circle Song

words 2004 Lawrence Mark Lesser;
all rights reserved
(can be sung to the tune “Twinkle Twinkle Little Star”)

Take your finger round a jar:

Circumf’rence equals 2 pi r !

For area, you multiply

R squared by that number pi.

Twinkle, twinkle, you’re a star--

Knowing math will take you far!

return to Larry's www.math.utep.edu/Faculty/lesser/Mathemusician.html  page