Two rectangles are always similar. Similarity in geometry means that two shapes have the same shape but may differ in size. Since rectangles have the same angles (all right angles) and their corresponding sides are in proportion, any two rectangles can be considered similar regardless of their dimensions.
sometimes
never
Some polygons are rectangles. The vast majority are not.
sometimes
Never
sometimes
never
Some polygons are rectangles. The vast majority are not.
No, they are NEVER rectangles.
No, not all rectangles are similar because the proportions are different.
sometimes
sometimes
Sometimes similar but it depends
Never
Yes
Sometimes.
If they are congruent they must be similar.