Classifying Triangles
A triangle is a figure formed when three non-collinear points are connected by segments. Each pair of segments forms an angle of the triangle. The vertex of each angle is a vertex of the triangle.
We all know from before that we classify angles as acute, obtuse, or right. Triangles can also be classified by their angles. All triangles have at least two acute angles. The third angle is acute, obtuse, or right.
To learn how to classify triangles, read the explanation below.
Practice: Complete the exercise below by identifying the parts of triangles and classifying triangles by their parts.