Carefully selected highlights of the Bay Area Math Adventures (BAMA), a lecture series for high school students.Such a projection is an example of a projective transformation, for which straight lines in one plane correspond to straight lines in the other. That a suitable projection will make a given conic section correspond to a circle boils down to the fact that a conic ... the cone in a parabola, since the horizontal plane is parallel to a generator of the cone (the ray e in the picture). ... then we can project the figure in such a way that the ellipse corresponds to a circle and the hexagon corresponds toanbsp;...
Title | : | Mathematical Adventures for Students and Amateurs |
Author | : | Tatiana Shubin |
Publisher | : | MAA - 2004 |
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