Geometry Problem 1423: Triangle, Area, Three Equal Angles, Circumradius, Measurement
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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