The figure below shows a triangle ABC with circumradius = 2.7. Angles ABD,
BCE, and CAF are congruent so that D, E, and F are on AF, BD, and CE,
respectively. If the area of triangle DEF is 1.02 and its circumradius is
0.9, find the area of triangle ABC.

### Geometric Art of Problem 1423: Sketching, Typography, iPad Apps

See also:
Typography and poster of problem 1408.

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