**4.1: Classifying Triangles**

**Definitions:**

**AcuteTriangle**- a triangle with 3 acute angles

**Equiangular Triangle**- a triangle with 3 congruent angles

**Right Triangle**- a triangle with one right angle

**Obtuse Triangle**- a triangle with one obtuse angle

**Equilateral Triangle**- a triangle with 3 congruent sides

**Isosceles Triangle**- a triangle with at least 2 congruent sides

**Scalene Triangle**- a triangle with no congruent sides

**Examples:**