Geometry Problem 43: Angles, Triangle, 60 Degrees, Typography, iPad Apps

Proposition

In the figure, AB = BC = CD, and the measure of angle C is double the measure of angle A. Prove that angle BEC = 60 degrees.


Art and Typography of Geometry Problem 43: Angles, Triangle, 60 Degrees, iPad Apps


Geometric Art using 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.

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Original problem 43.

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