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apothem definition

apo·them (ap′ə t̸hem′)

noun

Math. the perpendicular from the center of a regular polygon to any one of its sides

Etymology: ModL < apo- + Gr thema, that which is placed: see theme

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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