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