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 183
(100x25V5)^2=2795 08 sq. ft. (9) Total area grazed over is 80176.06+7049.96+2795.08= 90021.10 sq. ft. PROBLEM 353. I have a lot in the form of an equilateral triangle whose sides are100 ft. At each corner stands an orange tree; the height of the firsttree is 10 ft., the second 20 ft., and third 30… … FIG, 45. Solution. (1) Let ABC be the garden, and AX, BP and CE thetrees at the corners. (2) Join the tops of the trees by the lines XP, PE andEX. From W, T and V,the middle points of XP,PR and EX, draw WL,1 K and VN perpendic-ular to XP, EPand EX,and at L, F and N drawperpendiculars to AB,BC and…
Arithmetic · Geometry
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