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Definition
| (change)move each pt of a plane figure according to some rule |
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| (mirror image)thought of as a mirror image of a set of points (drawing a mirror image) in other words if i have a picture, letter of shape i can reflect it over a line |
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Definition
| (turning)can be thought of as turning a figure about a fixed point |
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| (slide)thought of as sliding a figure on a plane |
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Term
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Definition
| (enlargement or reduction) an enlargement or reduction of a figure with a fixed point of reference |
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Term
1)R90° (x,y)=(-y,x) 2)R180° (x,y)=(-y,-x) 3)R270° (x,y)=(y,-x) 4)R360° (x,y)=(y,x) |
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Definition
all going counterclockwise |
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