Math Homework. Do It Faster, Learn It Better.
Triangles: Classification
A triangle is a polygon with three sides.
Triangles can be classified by side length or by angle measure .
|
||
Equilateral Triangle | All sides congruent | |
Isosceles Triangle | At least two sides congruent | |
Scalene Triangle | No sides congruent |
|
||
Acute Triangle | All interior angles measure less than | |
Right Triangle | Exactly one interior angle measures | |
Obtuse Triangle | Exactly one interior angle measures more than |