4.1.7

Locus

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Locus of Points

A locus is a line of points (or an area) that all fit some rule.

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Locus of points a fixed distance from a point

  • The locus of points a fixed distance from a given point forms a circle and can be drawn using a compass centred on the point.
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Locus of points a fixed distance from a line

  • The locus of points a fixed distance from a given line forms an oval.
  • The straight sides are drawn with a ruler, parallel to the original line at the distance required and the ends are drawn with a compass put at the end of the line.

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

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