خطکش
Also known as rule, line gauge, tape measure
thumb|right|upright=1.3|A variety of rulers thumb|right|A carpenter's rule thumb|right|Retractable flexible rule or tape measure thumb|right|A closeup of a steel ruler thumb|A ruler in combination with a letter scale
AI overview
A ruler is a straightedge tool marked with measurements (like inches or centimeters) that people use to draw straight lines and measure distances. It matters because it's a simple but essential tool for many everyday tasks in drawing, writing, construction, and crafting.
AI-generated from the Wikipedia summary — may contain errors.
Wikidata facts
- Image
- Ruler image.jpg
via Wikidata · CC0