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Page 1: Proof Without Words- Area of a Disk is Pi.r^2 - Russell Jay Hendel

Proof Without Words: Area of a Disk is Russell Jay Hendel, Dowling College, Oakdale, NY 11772Mathematics Magazine,June 1990, Volume 63, Number 3, page 188.

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Page 2: Proof Without Words- Area of a Disk is Pi.r^2 - Russell Jay Hendel

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