🇬🇧 en fi 🇫🇮

set square noun

  • (UK) A flat triangular piece of plastic or other material, having corners of precise angles, used in technical drawing
 kolmioviivain
  • A right angle tool used to determine if two surfaces join at a 90-degree angle, composed of two arms, usually made from metal.
 suorakulma
Wiktionary Links