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

The solution is required later on in the construction of 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

If then the bisected chord be a side of the decagon, and if the radius be still 1280, the double of the lesser segment exceeds 125.

From A Budget of Paradoxes, Volume II by Smith, David Eugene

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