Crossbar theorem: Difference between revisions
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In [[geometry]], the '''crossbar theorem''' states: if ray AD is between [[Line_(mathematics)#Ray|ray]] AC and ray AB, then ray AD intersects [[line segment]] BC.<ref>Greengerg M. ''Euclidean and Non-Euclidean Geometries'' W.H. Freeman and Company, New York 2003</ref> |
In [[geometry]], the '''crossbar theorem''' states: if ray AD is between [[Line_(mathematics)#Ray|ray]] AC and ray AB, then ray AD intersects [[line segment]] BC.<ref>Greengerg M. ''Euclidean and Non-Euclidean Geometries'' W.H. Freeman and Company, New York 2003</ref> |
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==References== |
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[[pt:Teorema das barras cruzadas]] |
[[pt:Teorema das barras cruzadas]] |
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Revision as of 01:02, 27 September 2010
In geometry, the crossbar theorem states: if ray AD is between ray AC and ray AB, then ray AD intersects line segment BC.[1]
References
- ^ Greengerg M. Euclidean and Non-Euclidean Geometries W.H. Freeman and Company, New York 2003
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