# Difference between revisions of "File:Ceva1.PNG"

Line 1: | Line 1: | ||

+ | 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.

## File history

Click on a date/time to view the file as it appeared at that time.

Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|

current | 09:26, 18 August 2006 | 344 × 186 (6 KB) | Joml88 (talk | contribs) |

- You cannot overwrite this file.

## File usage

The following page links to this file: