Transformations – WJECCombining transformations - Higher

In this GCSE Mathletics study guide, we'll go through what happens when shapes are reflected, as well as the different centres of rotation and enlargement and congruent shapes. Transformations change the size or position of shapes. Congruent shapes are identical. Scale factors calculate area and volume of similar shapes.

Part ofMathsGeometry and Measure

Combining transformations - Higher

Transformations can be combined by doing one transformation and then another.

The three transformations that can be combined are reflection, rotation and translation.

Example

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Image caption,
Draw the mirror line x = 2. Reflect the shape V in this line and label it X
Image caption,
Rotate the shape X 180° about the point (1,0). Label this image Y

Question

Describe a single transformation that is equivalent to a reflection in the \(y\)-axis followed by a reflection in the \(x\)-axis.

Congruent shapes

Negative enlargements - Higher

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