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Ratios, Proportions, and Similarity

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Question
Answer
center of dilation   The point of intersection of lines through each pair of corresponding vertices in a dilation.  
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congruent angles   Angles that have the same measure.  
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conversion factor   A fraction whose numerator and denominator represent the same quantity but use different units.  
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cross products   The product of numbers on the diagonal when comparing two ratios.  
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dilation   A transformation that enlarges or reduces a figure.  
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enlargement   An increase in size of all dimensions in the same proportions.  
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equivalent ratio   Ratios that name the same comparison.  
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indirect measurement   The technique of using similar figures and proportions to find a measure.  
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proportion   An equation that states that two ratios are equivalent.  
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rate   A ratio that compares two quantities measured in different units.  
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ratio   A comparison of two quantities by division.  
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reduction   A decrease in the size of all dimensions.  
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scale   The ratio between two sets of measurements.  
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scale drawing   A drawing that uses a scale to make an object smaller than or larger than the real object.  
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scale factor   The ratio used to enlarge or reduce similar figures.  
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scale model   A proportional model of a three-dimensional object.  
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similar   Figures with the same shape but not necessarily the same size are similar.  
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unit price   A unit rate used to compare prices.  
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unit rate   A rate in which the second quantity in the comparison is one unit.  
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Created by: bookannelid
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