Elementary plane geometry : inductive and deductive / by Alfred Baker (1903)
Baker, Alfred, 1848-1942 · Toronto : Gage · leaf 94
V 90 Geometry. … 5. A chord, such as AB, wliichdoes not pass through the centre,divides the circle into two seg-ments, one of which, ADB, isgreater, and the other, ACB, lessthan a semicircle. Evidently themarked angle AOB is greaterthan two right angles, and there-fore the angle ACB, which is half of the marked…
Geometry, Plane
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