POW, Problem Of the Week (April 28 -- May 5, 2006)
The green figure below consists of a circle segment
and a quarter of a square inscribed into the circle.
Cut the green figure in two congruent pieces.

Send the solution to
Sergei Chmutov (chmutov@math.ohio-state.edu), or
bring it to our next meeting on May 5, 2006.