File:Varignon parallelogram.svg
Size of this PNG preview of this SVG file: 449 × 599 pixels. Other resolutions: 180 × 240 pixels | 360 × 480 pixels | 450 × 600 pixels | 576 × 768 pixels | 767 × 1,024 pixels | 512 × 683 pixels.
Original file (SVG file, nominally 512 × 683 pixels, file size: 4 KB)
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Dimensions | User | Comment | |
---|---|---|---|---|
current | 13:23, 24 September 2020 | 512 × 683 (4 KB) | Cmglee | {{Information |description ={{en|1=Proof without words of Varignon's theorem by CMG Lee. 1. An arbitrary quadrilateral and its diagonals. 2. Bases of similar triangles are parallel to the blue diagonal. 3. Ditto for the red diagonal. 4. The base pairs form a parallelogram with half the area of the quadrilateral, ''A<sub>q</sub>'', as the sum of the areas of the four large triangles, ''A<sub>l</sub>'' is 2 ''A<sub>q</sub>'' (each of the two pairs reconstructs the quadrilateral) while tha... |
File usage
The following page uses this file: