However, there are many adjectives that can be used to describe specific types of triangles:
* Equilateral: All sides are equal.
* Isosceles: Two sides are equal.
* Scalene: All sides are different lengths.
* Right-angled: One angle is 90 degrees.
* Acute-angled: All angles are less than 90 degrees.
* Obtuse-angled: One angle is greater than 90 degrees.
You could also use adjectives like:
* Triangular: Shaped like a triangle.
* Three-sided: Having three sides.
The best adjective to use depends on the specific characteristic you want to highlight.