## Math Vocab Unit 8

##### Created by:

lvascience  on March 14, 2011

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# Math Vocab Unit 8

 ratiois a comparison of two quantities by division .
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#### Definitions

ratio is a comparison of two quantities by division .
equivalent ratios are two ratios that name the same number
rate is a ratio that compares two quantities measured in units
unit rate the rate for one unit of given quantity
unit cost a unit rate that gives the cost per unit
proportion An equation that states that two ratios are equal
cross products the products formed by multiplying the denominator of one ratio with the numerator of the other.
Polygon a closed two dimensional give formed by three or more line segments that do not cross
similar polygons two polygons that are the same shape but different sizes
scale drawing an enlarged or reduced drawing of an object that is similar as the original
scale the ratio of the scale drawing to the original

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