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 193
r of the large circle, O, will be on the circum- ference of the smaller circle, ADC. (2) ACDF is a quadrant. The right triangle ADC=10 sq. rd., or AD=the side of a square containing 20 sq. rd. 178 FAIRCHILDS SOLUTION BOOK. (3) TheluneorcrescentCFAM will contain 10 sq. rd.,for the quadrant ACDFis… … FIG. 55.
Arithmetic · Geometry
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