GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW) | ||||
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14:14 Sep 26, 2004 |
German to English translations [PRO] Science - Mathematics & Statistics / Geometry | ||||
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| Selected response from: Richard Benham France Local time: 02:00 | |||
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Summary of answers provided | ||||
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4 | reflection about an axis |
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reflection about an axis Explanation: It means basically this: the image of each point is the same distance from the axis as the point itself, but in the opposite direction. This is what we normally call reflection in plane (2-D) geometry. In three dimensions, it corresponds to a rotation of half a turn (180 degrees, pi radians) about the axis. |
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