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Proportional.
No. Consider a square and rectangle.
Similar.
proportional
angles are congruent. That is sufficient to force the corresponding sides to be proportional - which is the other definition of similarity.
Yes they will have the same angles but with proportional different lengths
Yes, similar figures always have congruent corresponding angles and proportional corresponding side lengths.
Proportional.
No. Consider a square and rectangle.
similar polygons
Proportional.
Similar.
angles
proportional
Yes, similar figures always have congruent corresponding angles and proportional corresponding side lengths.
angles are congruent. That is sufficient to force the corresponding sides to be proportional - which is the other definition of similarity.
No, similar pentagons (or any polygon for that matter) must have corresponding congruent angles and all sides must be proportional to its corresponding sides. For example, if a square with a triangle on it is a pentagon, then a regular pentagon would not be similar to it (because corresponding angles are not congruent).