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 154
= 139^ ft (7) EC = V(EB2 + BC2) - 171.50+ ft..-. CE or DE = 171.50 ft. … FIG. 8. FE, or 300 ft. 140 FAIR CHILDS SOLUTION BOOK, PROBLEM 308. A ladder 61 ft. long being- placed 7 ft. from the center of a streetwill just reach the top of a tower on one side and 6 ft. higher on theother side: find width of street. Solution. (1) From Fig. 8, AD = x — 3 and BC = x + 3. (2) AB…
Arithmetic · Geometry
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