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 234
+aVV^WA1 sq. ft. (11) Extracting the square root of this fraction, we have J^ ft., side of square enlarged, Fig. 106. (12) ^ ft. = the addition. (13) VV—H=W-=^ ftri side of squares in Fig. 105, room 5 by 6 squares. (14) 5X3=15 ft, one dimension. (15) 6x3 = 18 ft., the other dimension. Note.—Solved… … FIG. 107. Solution. (1) Let ABCD be the trapez- ium, AC the diagonal. (2) DE=40ft., and FB = 60 ft., the perpendiculars to AC (3) 110 ft. = AC=base of the triangle ACD. (4) ^(ACxDE)=2200 sq. ft., area of the triangle. (5) AC=the ba^-e of the tri- angle ACB. (6) FB=altitude of ACB. (7) .. \ of (ACX…
Arithmetic · Geometry
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