Young, George, jr, Baxter, Hubert Eugene, joint author · New York, Macmillan · leaf 188
the cylinder. 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 where the line g (9, 6i4), h (28, 12, 19), pierces the cone. VIII, i… … Fio. 164 general, the best plane to choose is that which cuts the simplestlines from the given sur aces. 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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