Young, George, jr, Baxter, Hubert Eugene, joint author · New York, The Macmillan Co. · leaf 186
)pierces the cyMnder. Find the piercing points. 2. The point e (14, 14, 22) is the center of a circle. If in diameter^which lies in a plane parallel to V. This circle is the base of a conewhose apex is at / (32, 3, 3). Find the points whei-e the line g (9, 6,4), h (28, 12, 19), pierces the cone.… … Fig. 164 general, the best plane to choose is that which cuts the simplestlines from the given siu-faces. In Fig. 164, if the bases were circles, planes parallel to Hwould do very well; but with elliptical bases, probably it wouldbe easier to use planes parallel to the axes of both cylinders(§ 72).…
Geometry, Descriptive
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