Brodie's Pentagon-to-Square Dissection

A regular pentagon is cut into three pieces that can be reassembled into a parallelogram. Next, the parallelogram is dissected into a square.

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This dissection was given by Robert Brodie (1891) and is an improvement on Busschop's pentagon-to-square dissection.
G. N. Frederickson, Dissections: Plane & Fancy, New York: Cambridge University Press, 2002 p. 120.

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Related Curriculum Standards

US Common Core State Standards, Mathematics