A polygon can be drawn using the
polygon element.
Stroke color can be set using the stroke attribute.
The width of the line is set using the stroke-width.
Output
 |
| SVG version |
Source
<svg width="150" height="150" xmlns="http://www.w3.org/2000/svg" >
<polygon points="10,10 50,50 100,10" stroke="red" stroke-width="2"/>
</svg>