The figure below shows two squares ABCD and EFGH so that A, D, E,
and H are collinear points. Prove that the lines AG, BH, CE, and DF are concurrent at a point
P.

See also: Typography and poster of problem 1417.

Geometry Problems

Ten problems: 1411-1420

Visual Index

Open Problems

All Problems

Triangle

Square

Collinear Points

Concurrent lines

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