Hart, C. A. (Clara Avis), b. 1863, Feldman, Daniel D., b. 1872 · New York, American Book Co · leaf 429
OQ. 4. 00 = OD. 5. .-. A OQC = A OQD. 6. .*. QC = QD] i.e. any two points on the perimeter of section AMBN are equi-distant from Q. 7. .*. section AMBN is a O. q.e.d. 904. Def. A great circle of asphere is a section made by a planewhich passes through the center ofthe sphere, as G CRDS. 905. Def. A… … BOOK IX 419 906. Def. The axis of a circle of a sphere is the diameter ofthe sphere which is perpendicular to the plane of the circle. 907. Def. The poles of a circle of a sphere are the extremi-ties of the axis of the circle. Ex. 1472. CoDsidering the earth as a sphere, what kind of circlesare the…
Geometry, Plane · Geometry, Solid
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