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 228
uare farm of 40 acres: find the side of that farmwithout using square root. Solution. (1) In the diagram, let ABCD = 1 sq. mi. =640 A. (2) Then EFGD=TV sq. mi. = 40 A., the required farm. (3) But ED=lmi.=80rd. PROBLEM 423. At the northwest corner of a rectangular field two men start towalk at the… … Solution. (i) (2) (3)(4) (5) From Fig 94, let ABCD be the rectangle, AC the diago-nal, and P the point of meeting. VADa+DU2=100 rd. = AC. AD+DC=124 rd.From AD to P=112 rd. PC=[(96+28)—100] = 12 rd., the point of meeting northof the southeast coiner. PROBLEM 424. Schwarts has a garden in the form of…
Arithmetic · Geometry
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