Hart, C. A. (Clara Avis), b. 1863, Feldman, Daniel D., b. 1872 · New York, American Book Co · leaf 345
from two given points, equi-distant from two parallel planes, and at a given distance d from a thirdplane. Ex. 1226. If each of two intersecting planes is parallel to a givenline, the intersection of the planes is parallel to the line. Ex. 1227. Construct, through a point in space, a straight line… … Crivejj ^Si^BE bisectj^ng the dihedral Z formed by planesAC arfd CD; also PH and PK Js from P, any point in plane BE,to faces ^^and CD, respectively. To pTove PH= PK. Argument 1. Through PH and PK pass plane MNintersecting plane AC in CH, planeCD in CK, plane BE in PC, and edgeBC in C.^2. Then…
Geometry, Plane · Geometry, Solid
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
