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.
 

Geometry problem 1423: Triangle, Area, Three Equal Angles, Circumradius, Measurement, Tutoring

 


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

Geometric Art of Problem 1423: Triangle, Area, Three Equal Angles, Circumradius, Measurement, Sketching, Typography, iPad Apps, Art, SW, Tutor

See also: Typography and poster of problem 1408.

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