decagon

Example Sentences

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Most of the list came from the state eighth grade curriculum: barometer, decagon, perpendicular .

From "Schooled" by Gordon Korman

They are not circular, but form the sides of an irregular decagon.

From Dikes and Ditches Young America in Holland and Belguim by Optic, Oliver

To inscribe a regular decagon in a given circle.

From The Teaching of Geometry by Smith, David Eugene

To construct a regular pentagon, we find it convenient first to construct a regular decagon.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" by Various

This side being known the decagon can be constructed, and if the vertices are joined alternately, leaving out half their number, we obtain the regular pentagon.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" by Various