acute-angled triangle
Plural
acute-angled triangles
1
a type of triangle in which all three angles are less than 90 degrees
- The quilt had a pattern with acute-angled triangles.
- During math class, we measured angles in acute-angled triangles.
- The shadow on the ground looked like an acute-angled triangle.
- A tree's branches outlined an acute-angled triangle against the sunset.
- A mountain peak formed an acute-angled triangle on the horizon.
Synonyms: