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Journal Article

Proof Without Words: Pythagoras for a Right Trapezoid

Guanshen Ren
The College Mathematics Journal
Vol. 45, No. 3 (May 2014), p. 198
DOI: 10.4169/college.math.j.45.3.198
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Page Count: 1

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Topics: Trapezoids
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Summary We wordlessly prove an identity for right trapezoids using the Pythagorean theorem.

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