Difference between revisions of "File:Ceva1.PNG"
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| + | Let ABC be a triangle, and let D, E, F be points on lines BC, CA, AB, respectively. Lines AD, BE, CF are concurrent if and only if | ||
| + | <math>\frac{BD}{DC} \cdot \frac{CE}{EA}\cdot \frac{AF}{FB} = 1,</math> | ||
| + | |||
| + | where lengths are directed. This also works for the reciprocal or each of the ratios, as the reciprocal of 1 is 1. | ||
Latest revision as of 19:16, 7 March 2014
Let ABC be a triangle, and let D, E, F be points on lines BC, CA, AB, respectively. Lines AD, BE, CF are concurrent if and only if
where lengths are directed. This also works for the reciprocal or each of the ratios, as the reciprocal of 1 is 1.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:26, 18 August 2006 |  | 344 × 186 (6 KB) | Joml88 (talk | contribs) |
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