Question

The dashed figure is a dilation of the original figure. Find the scale factor. Classify the dilation as an enlargement or a reduction.
A. scale factor The fraction is 1 over 3.; reduction
B. scale factor 4; enlargement
C. scale factor 3; enlargement
D. scale factor one-fourth; reduction

Answer 1

the dilation factor is f = newsize/oldsize
so,
if f > 1 it is an enlargement
if f < 1 it is a reduction