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Proof without Words: Algebraic Areas

by Shirley Wakin (University of New Haven)

This article originally appeared in:
Mathematics Magazine
September, 1984

Subject classification(s): Numbers and Computation | Measurement | Area
Applicable Course(s): 2.1 College Algebra

A visual proof of the identity

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Average: 3 (38 votes)

Comments's picture

I made a different proof