Hart, C. A. (Clara Avis), b. 1863, Feldman, Daniel D., b. 1872 · New York, American Book Co · leaf 446
t BG prolonged meet A^B^ at H and A^C^ at K, 948. Question. In the history of mathematics, why are polar tri-angles frequently spoken of as supplemental triangles ? Ex. 1520. The ani^^les of a spherical triangle are 75°, 85^, and 146°Find the sides of its polar triangle. Ex. 1521. If a spherical… … cV
Geometry, Plane · Geometry, Solid
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