A treatise on special or elementary geometry (1877)
Olney, Edward, 1827-1887, Olney, Edward, 1827-1887. Elements of trigonometry, plane and spherical · New York : Sheldon · leaf 48
Fig. 42. Ex. 1. Which of the angles a, I, c, d, e is the largest ? What is ameasured by? What^? Whatc? WhattZ? Whate? i^/^. 42. Ex. 2. Which is the greatest angle, a, d, or c, Fig. 43 ? By whatis a measured ? By what Z* ? By what c ? What is the measureof a right angle ? [See Example 10 in the…
Geometry · Trigonometry
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