We found one dictionary that defines the word about a line and a triangle:

Science (1 matching dictionary)

1. A Glossary of Mathematical Terms (No longer online)

▸ Words similar to about a line and a triangle ▸ Usage examples for about a line and a triangle ▸ Idioms related to about a line and a triangle ▸ Wikipedia articles (New!) ▸ Words that often appear near about a line and a triangle ▸ Rhymes of about a line and a triangle ▸ Invented words related to about a line and a triangle