Parallels & Polygons

1. Triangles

1.1. Equilateral

1.2. Obtuse

1.3. Isosceles

1.4. Acute

1.5. Right

1.6. Scalene

2. Angles

2.1. Vertical

2.2. Corresponding

2.3. Same-Side Interior

2.4. Supplementary

2.5. Alternate Interior

2.6. Alternate Exterior

2.7. Complementary

3. Congruency

3.1. Triangles

3.2. Angles

3.3. Other Polygons