The figure below shows a trapezoid ABCD (AD // BC). Circle O passes through A and B and is tangent to CD at E. Circle Q passes through C and D and is tangent to AB at F. The common chord GH intersects EF at M. Prove that M is the midpoint of EF.
Geometric art is a form of art based on the use and application of geometric figures. A geometric figure is any set or combination of points, lines, surfaces and solids.
A mobile app or mobile application software is a computer program designed to run on smartphones and tablet computers.
Original problem 1031.