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 155
p of either without mov-ing it at the base, and it is further found that the ladder will reachfrom the top of one pillar to the top of the other: determine the lengthof ladder and distance between the poles. Solution. (1) Let AB = width of street. (2) AF = 110 ft., BC = 120 ft., and CE = 10 ft.Let… … FIG. 9. (7) x BP = V(^2 — no2) = .-. x = 133.1665 ft., PA VC*2 —120*)57.735 ft. dt.( 35 ft. PA 75.0555 ft., and PB = 57.735 ft. PROBLEM 310. There are two buildings, the heights of which are 40 and 29 feet,and a ladder is placed against the higher building in such a manner MENSURA TION. 141 that a…
Arithmetic · Geometry
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