**Definition of Geometry **

- Geometry basically means measure (metry) of the earth (geo).
- Geometry is the most practical branch of mathematics.
- Geometry is the study of geometric figures in two dimensions and three dimensions.
- Geometry deals with the properties, measurements and relationships of points, lines, angles, surfaces, and solids that appear in the world around us.
- Geometry extensively uses Arithmetic and Algebra to arrive at the solutions of its problems.

**Related Terms for Geometry**

- Point
- Line
- Angle
- Surface
- Solid
- Ray
- Surface
- Polygon
- Circle
- Prism
- Pyramid
- Cone
- Cylinder
- Polyhedron
- Axiom
- Theorem
- Proof