An introduction to projective geometry and its applications; an analytic and synthetic treatment (1905)
Emch, Arnold, b. 1871 · New York, J. Wiley & sons; London, Chapman & Hall, limited · leaf 238
ANICS. 225 these resultants must pass through the middle points y, a, ^ ofthe sides AB = c, BC = a, CA=b, and, being in equilibrium, areconcurrent. Designate these resultants by ^, B, C, as shownin Fig. 96. Each two of these forces, for instance A and B, maybe resolved into components parallel to…
Geometry, Projective · Geometry, Analytic
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