American text books of art education : Geometrical drawing (1873)
Smith, Walter, 1836-1886 · Boston : James R. Osgood & Co. · leaf 60
as in triangle E FG, then produce the base F G in the direction of the vertical angle,and from E let fall the perpendicular to the produced base, cuttingit in H. EH will then be the altitude. Prob. 53.— To describe a circle through three given points, as A BC, which are not in the same straight…
Geometrical drawing
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