A complete and practical solution book for the common school teacher (1899)
Fairchild, J[ohn] T[heodore] [from old catalog] · Crawfis College, Ohio, The author · leaf 157
a, or the sum of the hy-pothenuse and perpendicular. (4) If x — the perpendicular, a — x will be the hypothenuse AC. (5) (a — x) 2 = b2 + x\ or a* + 2ax + x2 ^Q n = b2 — x2. a2 fr2 (6) Whence x = -—^ . Now substitute the values of a2, b2 and a, and x == 18| ft. Utile.—From the square of the height… … MENSURA riON. 143
Arithmetic · Geometry
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
