Triangle angles always add up to 180
- Do triangle angles always add up to 180
- Does a triangle's angles always add up to 180
- Angles of any triangle always add up to 180 degrees
- Angles in a triangle always add up to 180 degrees
- Interior angles of a triangle always add up to 180
- Three angles in a triangle always add up to 180 degrees
- Do all angles of a triangle always add up to 180
- Do the three angles of a triangle always add up to 180
- Do the interior angles of a triangle always add up to 180