Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes and company · leaf 18
(Def. 24). Hence, the two curves will beequal (Ax. 12). Corollary 1. If two lines, AB, DE,be drawn through the centre C perpen-dicular to each other, each will divide thecircumference into two equal parts ; andthe entire circumference will be dividedinto the equal quadrants DB, DA, AE,and EB. Cor.… … 18 tx E 0 IYI ETRV, Of Angle
Geometry · Plane trigonometry
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