CHAPTER 7- SIMILARITY – MATHEMATICS. Quality content you can rely on!

CHAPTER 7- SIMILARITY – MATHEMATICS.
Quality content you can rely on!
Ratio - Answer: a comparison of two quantities by division


Extended Ratio - Answer: a comparison of three (or more) numbers


Proportion - Answer: an equation that states that two ratios are equal


Extremes - Answer: the first and last numbers in a proportion


Means - Answer: the middle two numbers in a proportion


Similar Figures - Answer: have the same shape but not necessarily the same size


Similar Polygons - Answer: corresponding angles are congruent and corresponding
sides are proportional


Extended Proportion - Answer: when three or more ratios are equal


Scale Factor - Answer: the ratio of corresponding linear measurements of two similar
figures


Scale Drawing - Answer: all lengths are proportional to their corresponding actual
lengths


Scale - Answer: the ratio that compares each length in the scale drawing to the actual
length


Indirect Measurement - Answer: a way of measuring things that are difficult to measure
directly


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