1. 4.1 Classifying Triangles
Objective: Identify & classify triangles by angle measure and side measure

2. Classifying Triangles
There are 2 methods of classifying triangles …
1. by angles
2. by sides

3. Classify the triangle as acute, equiangular, obtuse, or right.

4. Classifying Triangles
There are 2 methods of classifying triangles …
1. by angles
Acute
Equianglular
Obtuse
Right
2. by sides

5. Classify the triangle as acute, equiangular, obtuse, or right.
ΔXYZ
Classify the triangle as acute, equiangular, obtuse, or right.

6. If point Y is the midpoint of VX, and WY = 3
If point Y is the midpoint of VX, and WY = 3.0 units, classify ΔVWY as equilateral, isosceles, or scalene. Explain your reasoning.

7. Classifying Triangles
There are 2 methods of classifying triangles …
1. by angles
Acute
Equiangular
Obtuse
Right
2. by sides
Equilateral
Isosceles
Scalene

8. If point C is the midpoint of BD, classify ΔABC as equilateral, isosceles, or scalene.

9. ALGEBRA Find the measure of the sides of isosceles triangle KLM with base KL.