Circle Properties

Introduction

Before we examine the properties of a circle, its important to first understand some common terms when referring to parts of a circle.

Parts of a Circle

Circle: A locus (collection) of points that are equidistant to a point (centre).

Circumference: The perimeter of a circle.

Radius: A line that connects the centre of the circle to its circumference.

Chord: A line connecting two points on the circumference of a circle.

Diameter: A chord that passes through the centre of the circle.

Next: Let's extend the vocabulary of Parts of a Circle

Success Criteria

At the end of this chapter, students are able to apply the following circle properties.

Students can also choose to extend their knowledge with these other useful circle properties:

  1. Alternate Segment Theorem (A-Maths Plane Geometry)