Geometry Problem 1121 Casey's Theorem. Generalized Ptolemy's Theorem

Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.

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Geometry: Ptolemy's Theorem: Cyclic Quadrilateral

Geometric Art: Typography, iPad

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Geometry Problem 1121: Casey's Theorem. Generalized Ptolemy's Theorem

Geometry Problem. Post your solution in the comments box below.
Level: Mathematics Education, High School, Honors Geometry, College.

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Ptolemy's Theorem and Problems - Index

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Level: High School, SAT Prep, College geometry

Problem 261: Regular Pentagon inscribed in a circle, sum of distances

Proposed Problem


See complete Problem 261 at:
gogeometry.com/problem/p261_regular_pentagon_inscribed_circle_distance.htm

Level: High School, SAT Prep, College geometry

Post your solutions or ideas in the comments.