Geometry Problem 1439

Rectangle, Diagonal, Perpendicular, Circles, Areas, Art, Poster

Poster of Geometry Problem 1439: Rectangle, Diagonal, Perpendicular, Circles, Areas, iPad Apps, Typography. Math Infographic, Tutor

See also:
Art of problem 1439, Generative Sketching.

Proposition

ABCD is a rectangle with E on AD so that CE is perpendicular to BD at H. S1, S2, S3, and S4 are the areas of circles with diameters BD, BC, CE, and DE, respectively. Prove that S1+S4=S2+S3


Geometry Problem 1439: Rectangle, Diagonal, Perpendicular, Circles, Areas, 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.