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
FIG. 55. … (1) Let ABC be a right triangle, and describe a semicircleon each side. (2) The area of ABC equals the area of the two lunes Z andX taken together. (8) The area of the semicircledescribed on AB=the sumof the semicircles described FIG- S6- upon AC and CB. (4) Now from each take the two segments cut…
Arithmetic · Geometry
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