9.5 symmetry - anderson school district · pdf file9.59.6.notebook 1 february 28, 2014...
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9.5 Symmetry
Line Symmetry: figure can be mapped onto itself across a line(reflection symmetry or axis symmetry)
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Rotational Symmetry: figure can be mapped onto itself by a rotation of 00 to 3600 about the center of the figure(radial symmetry)
Order of Symmetry: number of time it maps onto itself as it rotates from 00 to 3600
Center of Symmetry: center of the figure (point of symmetry)
Magnitude of Symmetry: smallest angle that the figure can be rotated onto itself (angle of rotation)
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9.6 DilationsDilation: enlargement or reduction in respect to a center and scale factor
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Homework
p.666 #18
p.677 #17 odd
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