Typography of Geometry Problem 866: Cyclic Quadrilateral, Circle, Rectangle, Center, Congruence, 90 Degrees, iPad Apps

Proposition

The figure below shows a cyclic quadrilateral ABCD. ABEF, BCGH, and CDJK are rectangles of centers O1, O2, and O3, respectively, so that AF = CD, BH = AD, and CK = AB. Prove that the measure of angle O1O2O3 is 90 degrees.


Typography of Geometry Problem 866: Cyclic Quadrilateral, Circle, Rectangle, Center, Congruence, 90 Degrees, iPad Apps. 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.

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Original problem 866.

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