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 170
rc CD is the path described by the top, C. (4) By trigonometry, ZABD = 53°750; hence, CBD=126° 52 10. (5) As 360° is to the number of de- grees in the arc (126m), so ^sthe circumference of the circle(150Xtt) to the length of the arc,CD, or 166.07 ft. NOTE.—This solution was prepared by the author… … FIG. 28. 166 FAIRCHILDS SOLUTION BOOK. (1) (2) (3) (4) Solution. Let BD^, the height of the col-umn; CD=<^, the height of thestatue; and .#=AB, the distancethe boy stands from the foot ofthe column. Describe a circle which shall passthrough D ano C, and tangentto AB, A being the point…
Arithmetic · Geometry
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