Triangle Congruence

1. Congruence and Transformations

1.1. Dilation

1.2. Isometry

1.3. RigidTRansformation

2. Classifying Triangles

2.1. Acute Triangle

2.2. Right Triangle

2.3. Equiangular Triangle

2.4. Obtuse Triangle

2.5. Scalene Triangle

2.6. Isosceles Triangular

2.7. Equilateral Triangle

3. Angle Relationships in Triangles

3.1. Auxillary Line

3.2. Corollarry

3.3. Interior

3.4. Exterior

3.5. Interior Angle

3.6. Exterior Angle

3.7. Remote Interior Angle

4. Congruent Triangles

4.1. Corresponding Angles

4.2. Corresponding Sides

4.3. Congruent Polygons

5. Triangle Congruence: SSS and SAS

5.1. Triangle Rigidity

5.2. Included Angle

6. Triangle Congruence:ASA, AAS, and HL

6.1. Included Side

7. Theorem 4-3-1

7.1. The sum of the angle measures of a triangle is 180 degrees.

8. Theorem 4-3-2

8.1. The acute of a right triangle are complementary

9. Theorem 4-3-3

9.1. The measure of each angle of an equiangular triangle is 60 degrees