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Geometry Puzzle: Sangaku Japanese Geometry Problem.

Solve the jigsaw puzzle based on the figure of a Sangaku Problem: The incenters of four triangles in a cyclic quadrilateral form a rectangle. Sangaku is a Japanese geometry problem. Click and drag with your mouse or finger to move the pieces.

Home | Puzzles | Puzzle: Geometry | Sangaku | iPad | NexusEmail | By Antonio Gutierrez