# SIDE

, latus, in Geometry. The side of a figure is a line making part of the periphery of any superficial figure, viz, a part between two successive angles.

In triangles, the sides are also called legs. In a rightangled triangle, the two sides that include the right angle, are called catheti, or sometimes the base and perpendicular; and the third side, the hypothenuse.

Side of a Polygonal Number, is the number of terms in the arithmetical progression that are summed up to form the number.

Side of a Power, is what is usually called the root or radix.

Sides of Horn-works, Crown-works, Double-tenailles, &c, are the ramparts and parapets which inclose them on the right and lest, from the gorge to the head.

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Entry taken from A Mathematical and Philosophical Dictionary, by Charles Hutton, 1796.

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