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 156
., and 2z = 40.788 ft. PROBLEM 311. A tree 125 ft. high stands on the bank of a river 105ft. wide; wheremust the tree break off so that it may remain connected at the point ofbreaking- and its top just reach the opposite shore? First Solution. (1) Let AB = the height or sum of the altitudeand… … 142 FAIRCHILDS SOLUTION BOOK. (5) GC = the square of the altitude, and DL = the square of the hypothenuse. (6) Take LH equal to the base of the triangle formed by the broken tree, and complete the square SL. (7) Then, SL is the square of the base, which we take from the square of DL; the difference…
Arithmetic · Geometry
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