Geometry Problem 1438: Triangle, Incenter, Centroid, Circumcenter, Parallel, 90 Degree, Art, Poster

Poster of Geometry Problem 1438: Triangle, Incenter, Centroid, Circumcenter, Parallel, 90 Degree, iPad Apps, Typography. Math Infographic, Tutor

See also:
Art of problem 1438, Circular Dissolve.

Proposition

I, G, and O are the incenter, centroid and circumcenter of a triangle ABC so that IG is parallel to BC. Prove that the measure of the angle AIO is 90 degree.


Geometry Problem 1438: Triangle, Incenter, Centroid, Circumcenter, Parallel, 90 Degree, 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.