The American house-carpenter; a treatise on the art of building, and the strength of materials (1867)
Hatfield, R. G. (Robert Griffith), 1815-1879 · New York, J. Wiley · leaf 84
AMERICAN HOUSE-CARPENTEK. 71 Z), are equal. Thus, it is proved for the angle at d / it is alsotrue for any other angle; for, since all other inscribed angleson that side of the chord line, <?/, equal the angle A^ {Art.161,) therefore the angle formed by a chord and tangent equalsany angle in the… … angle, a of; for, from any point, n, (Fig. 114:,) in the arcG nf^ draw lines to (^,y and g j now, if it can be proved t^^atthe angle a g/ equals the angle f n c^ the entire propositionis proved, for the angle f n g equals any of all the inscribedangles that can be drawn on that side of the chord.…
Carpentry · Architecture
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
