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 219
FIG. 85. From a point in the side and 8 ch. from the corner of a square fieldcontaining- 40 A., a line is run, cutting- off 19| A.: how long is the line? [R. H. A.) Solution. (1) Let ABCD be the squarefield, and P the point 8ch. from D. (2) (3) (4) Draw PE parallel to DC,PF cutting off 19i A.above… … FIG. 86. A., or 70 sq. ch. (6) (7)(8) (9)(10) :20.3-f- ch.when the 19-| A. is taken above the line 70-^-20=31 ch.PF=V202+3£2:.-. PF=20.3 ch. PF.Now, we will take it below the line PE.It is evident that the line PF will fall below its present position, as PFr shown in the figure. (11) Now, the…
Arithmetic · Geometry
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