Etching and Typography of Archimedes' Book of Lemmas: Proposition 12 - Circle, Tangent, Perpendicular, iPad Apps

Proposition

If AB be the diameter of a semicircle, and CD, CE the tangents to it from any point C, and if AE, BD be joined meeting in F, then CF is perpendicular to AB.


Etching and Typography of Archimedes' Book of Lemmas: Proposition 12 - Circle, Tangent, Perpendicular, iPad Apps, Software. 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.

See also:
Original problem 652.

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Ten problems 651-660
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