threeside

threeside englanniksi

1. Any object or shape consisting of three sides; triangle.

2. (quote-text)

3. {{quote-text|en|year=1926|author=Euclid|origlang=grc|tlr=Thomas L. Heath|title=The Thirteen Books of Euclid's Elements

4. {{quote-text|en|year=1959|author=Simon Stevin

5. Having three sides; three-sided, triangular.