Definitions
The following figures show the various geometrical forms and their definitions:
151.
Abscissa.—The point in a curve, A, which is referred to by certain lines, such as B, which extend out from an axis, X, or the ordinate line Z.
152.
Angle.—The inclosed space near the point where two lines meet.
153.
Apothegm.—The perpendicular line A from the center to one side of a regular polygon. It represents the radial line of a polygon the same as the radius represents half the diameter of a circle.
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154 apsides Or apsisPrevious:
Signs To Indicate Measurements
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