# 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.

View solution

## Typography and Sketch of Problem 1497: 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.