As shown in the figure below, ABCDEFGH is a regular octagon. Prove
that the area of the red shaded region is equal to the area of the yellow
shaded region.

### Geometric Art of Problem 1430: Sketching, Typography, iPad Apps

### Animation of the Conformal Mapping of Problem 1430

### Conformal Mapping

A conformal mapping or conformal transformation is a continuous mapping preserving the form of infinitesimal figures. This conformal map produces a realistic view of the original image or map.
This the conformal transformation of
problem1430.

See also:
Typography and poster of problem 1426.