Problem
of
the
Week

PROBLEM 21

This problem was provided by Thomas Ngo of Virginia Polytechnic and State University.
In the diagram below, ABCD and PQRS are squares, while ABQ, BCR, CDS, and DAP are congruent right triangles. The five circle in blue are all of the same size. If the length of a side of ABCD is 1 unit, what is the radius of the circles?

diagram

Go to the Bradley University Home Page

You are visitor number 4448 to this page.