4.4.2

Chords

Test yourself

Chords in a Circle

A chord is a line that passes from one side of the circle to the other. It doesn't have to go through the middle of the circle.

Illustrative background for Splits circumferenceIllustrative background for Splits circumference ?? "content

Splits circumference

  • A chord splits the circumference (edge of circle) into two arcs.
  • The larger arc is called the major arc and the smaller is called the minor arc.
Illustrative background for Splits areaIllustrative background for Splits area ?? "content

Splits area

  • A chord splits the area of a circle into two parts called segments.
  • The larger segment is called the major segment and the smaller one is called the minor segment.
Illustrative background for ArcIllustrative background for Arc ?? "content

Arc

  • When two chords meet at a point, we say the angle x is subtended by the arc between A and C.

Jump to other topics

1Number

1.1Using Numbers

1.2Fractions, Decimals & Percentages

1.3Powers & Roots

1.4Accuracy

2Algebra

2.1Introduction to Algebra

2.2Manipulating Algebra

2.3Proofs & Functions

2.4Straight Line Graphs

2.5Common Graphs

2.6Transformations & Tangents

2.7Properties of Graphs

2.8Solving Equations

2.9Inequalities

2.10Sequences

3Ratio

4Geometry

4.1Introduction to Geometry

4.2Triangles & Quadrilaterals

4.3Transformations

4.4Circle Basics

4.5Circle Theorems

4.6Measurements & Units

4.7Calculating Area

4.8Triangle Formulae

4.93D Shapes

4.10Vectors

5Probability

6Statistics

Go student ad image

Unlock your full potential with GoStudent tutoring

  • Affordable 1:1 tutoring from the comfort of your home

  • Tutors are matched to your specific learning needs

  • 30+ school subjects covered

Book a free trial lesson