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10 Cards in this Set
- Front
- Back
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Length |
Length is a measure of distance. |
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Angle |
The amount that one straight line is turned relative to another that it meets or crosses. |
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Area |
The amount of space occupied by a 2D shape. |
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Perimeter |
The total distance around the edges that outline a shape. |
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Transformation |
A geometric mapping that takes the points in an object to points in an image. |
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Translation |
A transformation in which all the points in the object in the object are moved the same distance and in the same direction. |
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Reflection/Mirror line |
A transformation that moves points to an equal distance on the opposite side of a mirror line |
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Rotation/Centre of Rotation |
A transformation that turns points through a fixed angle whilst keeping their distance from the centre of rotation fixed. |
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Enlargement/Scale factor/ Centre of enlargement. |
A transformation that moves points a fixed multiple, the scale factor, of their distance from the centre of enlargement. |
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Invariant |
Does not change under a transformation. |
