Math new unit

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7 Terms

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What is similarity in polygons?

Polygons that have congruent corresponding angles and proportional

corresponding sides are said to be similar polygons

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Rules of ratios

The ratio of a to b is a/b or a:b provided that a and b are measured with

the same units. Also, b can not be zero

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proportins (when talkng about ratios)

Two equal ratios

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Cross multiple (formal)

where the product of the means (b*c) equals the product of the extremes (a*d)

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What is needed for polygons to be similar?

congruent corresponding angles and proportional corresponding sides

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<p>what is this an example of?</p>

what is this an example of?

the similarity ratio. Also known as the scale factor

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