All regular polygons having the same number of …………… are similar.

1. sides

2. angles

3. diagonals

4. centric

Two circles are always :

1. congruent

2. similar

3. enlarged

4. concentric

Let k be the scale factor of a given size transformation. Then k < 1 as the transformation is a/an :

1. enlargement

2. identity transformation

3. reduction

4. preserved

Each side of the resulting figure = …………… times the corresponding side of the given figure, where k is the scale factor.

1. k²

2. k

3. k³

4. 2k