Geometric Figures

1. Angles

1.1. Complementary

1.2. Supplementary

1.3. Acute Angle

1.4. Right Angle

1.5. Obtuse Angle

2. Polygons

2.1. Convex

2.2. Concave

2.3. Regular Polygons

2.4. Irregular Ploygons

3. Planes

3.1. Half Plane

3.2. Parallel Planes

3.3. Intersecting Planes

3.4. Perpendicular Planes

4. Polyhedra

4.1. Faces

4.2. Vertices

4.3. Edges

4.4. Regular Polyhedra

4.5. Semiregular Polyhedra

5. Space Figures

5.1. Pyramids

5.1.1. Oblique Pyramid

5.1.2. Apex

5.2. Prisms

5.2.1. Oblique Prism

5.3. Cones

5.3.1. Oblique Cone

5.4. Cylinder

5.4.1. Oblique Cylinder