November 6–November 12, 2007

Problem

You put a penny on a square table. After measuring the distances, you find that it is 13 inches from one corner, 25 inches from the opposite corner, and 19 inches from another corner. What is the area of the top of the table?

diagram

Solution

here.

List of solvers

Aaron Dilley, Derek Cheng (undergraduate); Field Cady, Dustin Moody, Robert Bradshaw, Jacob Lewis (graduate); Gary Raymond (faculty); Rich Bauer (alum)

Derek Cheng wins the prize!