Hart, C. A. (Clara Avis), b. 1863, Feldman, Daniel D., b. 1872 · New York, American Book Co · leaf 402
Ihen — = — and —■ = — ; i.e. PR VP PS VP PR PS 4. But OM = ON, .-. PS — PR, i.e. P is equidistant from anytwo points on the boundary of section CD, 5. .-. section CD is a O. q.e.d. 849. Cor. Any section of a cone parallel to its base isto the base as the square of its distance from the vertexis to… … 392 SOLID GEOMETRY MENSURATION OF THE CYLINDER AND CONE Areas 850- Def. A plane is tangent to a cylinder if it containsan element, bnt no other point, of the cylinder. 851. JDef. A prism is- inscribed in a cylinder if its lateraledges are elements of the cylinder, and the bases of the twofigures…
Geometry, Plane · Geometry, Solid
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