Beman, Wooster Woodruff, 1850-1922, Smith, David Eugene, 1860-1944 · Boston, Ginn & company · leaf 377
r2. 737. What is the ratio of the area of a great circle of a sphere to thearea of its spherical surface ? 738. If a meter is 0.0000001 of a quadrant of the earths circumfer-ence, and the earth is assumed to be a sphere, how many square myria-meters of surface has the earth ? 739. What is the… … Proof. 1. Suppose the sphere circumscribed by a cylinder,and suppose two cones formed with the bases ofthe cylinder as their bases, and their vertices at thecenter of the sphere. Suppose the solid to be cut by a plane Q, parallelto the bases, and x distant from the center of thesphere. 2. Then…
Geometry
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