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A polygon of seven sides, having an internal angle sum of 900 degrees.

For a regular heptagon with sides of length x,

Area = x23.634

If each corner of a regular heptagon is connected to all other corners with a straight line, the heptagon becomes divided into 50 areas:

Hep"ta*gon (?), n. [Gr. sevencornered; "epta` seven + angle: cf. F. heptagone.] Geom.

A plane figure consisting of seven sides and having seven angles.


© Webster 1913.

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