Geometric figures

Usage examples of triangles.

Imagine a vast sheet of paper on which straight Lines, Triangles, Squares, Pentagons, Hexagons, and other figures, instead of remaining fixed in their places, move freely about, on or in the surface, but without the power of rising above or sinking below it, very much like shadows--only hard with luminous edges--and you will then have a pretty correct notion of my country and countrymen.

I CAN SEE Straight Lines, and infer the existence of Angles, Triangles, Squares, Pentagons, Hexagons, and even Circles.

This one showed a series of concentric triangles with a glowing yellow triangle in the center.

I dare say you will suppose that we could at least distinguish by sight the Triangles, Squares, and other figures, moving about as I have described them.

SECTION 4 Concerning the Women If our highly pointed Triangles of the Soldier class are formidable, it may be readily inferred that far more formidable are our Women.