select all that apply Polygons must have which of the following characteristics to be considered similar? A 2:1 correspondence in vertices. Corresponding sides are equal. Both polygons are the same shape. Both polygons are the same size. Corresponding sides are proportional.

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Polygons must have the following characteristics to be considered similar: 1. Corresponding sides are equal. 2. Both polygons are the same shape 3. Both polygons are the same size 4. Corresponding sides are proportional. The similarity of a polygon does not necessarily of the same size for as long as the proportionality of their sides are the same and equal. 

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