Geometry Problem 1497: Scalene Triangle, Transversal, Same Ratio, Proportionality, Isosceles, Double Angle

The figure below shows a triangle ABC with the transversals DEF and GEH so that \({CH \over BG}={EH \over EG}={CF \over BF}\). Prove that the measure of angle A is double the measure of angle D.

Geometry Problem 1497: Triangle, Transversal, Same Ratio, Proportionality, Isosceles, Double Angle

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Typography and Sketch of Problem 1497: Statue of Liberty in the background


Geometry Problem 1497: Triangle, Transversal, Same Ratio, Proportionality, Isosceles, Double Angle, Statue of Liberty in the background

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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Geometry Problem 1497 Solution(s)