Circumcise a Circle

When I taught tenth-grade mathematics at Senator Gershaw School in Bow Island, Alberta, there was only one occasion I was at a loss for words. As we were reviewing geometry problems, one student raised her hand. "Mr. Chipman," she asked, "how do you circumcise a circle?"

-- Contributed to "Tales Out of School" by Ken Chipman 1996 The Reader's Digest Association, Inc. All rights reserved.