Hart, C. A. (Clara Avis), b. 1863, Feldman, Daniel D., b. 1872 · New York, American Book Co · leaf 208
inches and theirincluded angle is 60°. Find the projection of the shorter upon the longer. Ex. 724. In Ex. 723, find the projection of the shorter side upon thelonger if the included angle is 30° ; 45°. Ex. 725. Parallel lines that have equal projections on the same lineare equal. Proposition… … X D Fig. 1.
Geometry, Plane · Geometry, Solid
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