Basic Geometry

An introduction to the fundamental concepts of shapes, sizes, and the properties of space.

Understanding ShapesMeasuring SizeSpatial Thinking
Angles and Their TypesSymmetry and PatternsCoordinate Geometry
Geometry in Building and ConstructionGeometry in Art and DesignGeometry in Sports
Breaking Problems into StepsUsing Visual AidsChecking Your Work
Understanding ShapesMeasuring SizeSpatial ThinkingAngles and Their Typ...Symmetry and Pattern...Coordinate GeometryGeometry in Building...Geometry in Art and ...Geometry in SportsBreaking Problems in...Using Visual AidsChecking Your Work
Advanced Topics

Coordinate Geometry

Plotting Points: The Magic of Coordinate Geometry

Coordinate geometry lets us describe exactly where things are using numbers.

The Coordinate Plane

  • Made of two lines: the horizontal x-axis and the vertical y-axis.
  • Each point is written as \( (x, y) \).

Why Use Coordinates?

Coordinates help you find treasures on maps, design video games, and navigate cities!

Working With Points

  • Plot points to make shapes.
  • Measure the distance between points.

Examples

  • Plotting your house location on a neighborhood map.

  • Creating a star shape by joining points on graph paper.

In a Nutshell

Coordinate geometry uses numbers to describe locations and shapes.

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Geometry in Building and Construction