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

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

But the children wanted to know all the names, taking pleasure in learning even 54 the most difficult, such as trapezium, and decagon.

From Dr. Montessori's Own Handbook by Montessori, Maria

The first known was Cylinder A, a decagon, whose lines divide the document into thirteen parts.

From Assyrian Historiography by Olmstead, A. T. (Albert Ten Eyck)

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