Typography of Geometry Problem 1304: Triangle, 120 Degrees, Angle Bisector, Incenter, Measurement, iPad Apps

Proposition

The figure below shows a triangle ABC with the angle B = 120 degrees and incenter I. If AD, BE, and CF are the bisectors of the angles A, B, and C, respectively, prove that AF + CD + 2EI= AC.


Typography of Geometry Problem 1304: Triangle, 120 Degrees, Angle Bisector, Incenter, Measurement, iPad Apps. Math Infographic, Tutor


Geometric Art using iPad or Mobile Apps

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.

See also:
Original problem 1304.

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