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499270
Transformations
Description
Transformations, reflection, rotation, translation enlargement
No tags specified
a level
Mind Map by
Trev Irvine
, updated more than 1 year ago
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Created by
Trev Irvine
about 11 years ago
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Resource summary
Transformations
Reflection (flip)
Lines of symmetry 2D
Reflection in a line
Image exactly the same size (Congruent)
Changes orientation
Lines are written as equations
Mirror Lines
Planes of symmetry 3D
Rotation (spin)
Around a point
Changes orientation
Image exactly the same size (Congruent)
Direction and angle
Points are written as Co-ordinates
Rotational symmetry
Around the centre
Order of rotational symmetry
Enlargement (dilation)
From a point (Centre of Enlargement)
Orientation only changes on negative enlargements
Scale factor
Centres written as Co-ordunate
Can Change size (Similarity)
Annotations:
Similar shapes have the same proportions and angles but can be larger or smaller
Angle sizes remain constant
Fractions Reduce
Numbers bigger than 1 Enlarge
Translation (slide)
Orientation never changes
Vectors
Top number moves across Bottom number up or down
Image exactly the same size (Congruent)
Media attachments
gcse-maths-notes-transformations-summary-translations-reflection-rotation-enlargement-html-65804639.gif (image/gif)
vector.gif (image/gif)
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