Classification of Polygons

1. Does it have three sides?

1.1. Triangle

1.1.1. Angle

1.1.1.1. Right

1.1.1.2. Obtuse

1.1.1.3. Acute

1.1.2. Side

1.1.2.1. Isosceles

1.1.2.2. Equilateral

1.1.2.3. Scalene

2. Does it have four sides?

2.1. Quadrilateral

2.1.1. Paralellogram

2.1.2. Rectangle

2.1.3. Square

2.1.4. Trapezoid

2.1.5. Rhombus

3. Does it have five sides?

3.1. Pentagon

4. Does it have six sides?

4.1. Hexagon

5. Does it have seven sides?

5.1. Heptagon

6. Does it have eight sides?

6.1. Octagon

7. Does it have nine sides

7.1. Nonagon

8. Does it have ten sides?

8.1. Decagon