Vocabulary words from Holt Math (2010) Course 3 Chapter 05
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| center of dilation | The point of intersection of lines from 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 product | the product of numbers on the diagonal when comparing two ratios
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| dilation | it is a transformation that changes the size but not the shape or figure
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| enlargement | A scale drawing or model that is larger than the object.
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| equivalent ratio | ratios that make the same comparison
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| proportion | ratios that are equivalent are said to be proportional
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| indirect measurements | using figures and proportions to find a measure
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| scale model | a three-dimensional model that accurately represents a solid object.
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| similar | figures that have the same shape, but not necessarily the same size.
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| scale | gives a ratio of the dimensions in the drawing to the dimensions of a object.
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| scale drawing | is a two dimensional drawing that accurately represents an object.
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| scale factor | the ratio formed by the corresponding sides.
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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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| 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 size of all dimensions
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