This page has been validated.
TRIANGULATION OF SCALENE CONES
189
The Diagram of Triangles.—A series of short horizontal lines, Fig. 272, are drawn equal in length and numbered to correspond to
the base lines of Fig. 271. Perpendiculars are erected at points 2 and 3, and the several hypotenuses are drawn in as shown.
The Pattern.—A horizontal straight line is drawn equal in