Test Yourself: Thinking Inside the Box

A 382Kb PDF of this article as it appeared in the magazine—complete with images—is available by clicking HERE

A square’s diagonal is intersected by a line from another vertex to the midpoint of an opposite side. A circle is inscribed in the triangle opposite the midpoint as shown. What is its radius if the side of the square is "s"?

The solution to this problem can be found HERE

Dave Lindell, PS, retired after 36 1/2 years with the City of Los Angeles. He keeps surveying part time to stay busy and keep out of trouble.

A 382Kb PDF of this article as it appeared in the magazine—complete with images—is available by clicking HERE