Terms from Unit 7(Sections 7.1-7.3 & 7.5)
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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| __ are polygons that have corresponding, proportional sides and corresponding, congruent angles. | Similar polygons
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| Two figures that have the same shape and same size are known to be __. | Congruent
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| True/False: When writing the side ratios, the image goes over the preimage. | True
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| __ is the original figure. | preimage
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| Circle the correct term: Congruent figures are always / sometimes / never similar. | always
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| A comparison of two quantities by division is called a(n) __. | ratio
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| The resulting figure is called __. | image
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| When two ratios are equal, it is known as a(n) __. | proportion
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| The first and the last numbers in a proportion are called the __. | Extremes
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| When three or more ratios are equal, it is called a(n) __. | extended proportion
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| __ is a drawing where all the lengths are proportional to their corresponding actual lengths. | scale drawing
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| True/False: A figure undergoes a reduction when the scale factor is greater than one. | False
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| A ratio that compares each length in the scale drawing to the actual length is known as a(n) __. | Scale
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| True/False: The scale factor can be negative. | False
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| Circle the correct term: Translation / Rotation is known as a slide. | Translation
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| Circle the correct term: Reflection / Dilation is a similar transformation. | Dilation
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