Semicircles of diameters AB and CD intersect at E
(see the figure below). FG is a line through E. BF and CG meet at H, BF
and CE meet at M, and CG and BE meet at N. Prove that ENHM is a cyclic
quadrilateral.

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.

Geometry Problems

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Ten problems: 1411-1420

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Circle

Diameter

Cyclic Quadrilateral

Geometric Art

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