In order for two polygons to be similar to each other they must be one of two things:
1. Corresponding angles are congruent
2. lengths of corresponding sides are proportional
Proper Notation: When writing that two shapes are parallel always use ~
An example of two simular polygons is like the one below
These polygons are simular because their angles as shown correspond to each other. The diagram below shows that their corresponding sides are porpotional.
Another example of similar polygons is at right: the two polygons are proven similar because the ratios of corresponding sides are congruent
Vocab Review: Below are some vocabulary terms that would be helpful to know.
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