Higbee, F. G · New York, John Wiley & Sons · leaf 66
Pass a plane through one Hne parallel to another. 46. Proposition 5. Given the plan and elevation of a pointto pass through it a plane parallel to a given plane. Discussion. Since the required plane is to be parallel to thegiven plane the corresponding traces of these two planes wiU be PROBLEMS ON… … Fig. 48. and V piercing point found. With one point on either trace andthe direction of the traces known the plane may be located. Construction. In Fig. 48 is shown the plan and elevation ofan octagonal prism whose base Hes in the plane T. The prob- 56 ESSENTIALS OF DESCRIPTIVE GEOMETRY lem is to…
Geometry, Descriptive
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