Question

Triangle PQR is transformed to similar triangle P’Q’R’:

What is the scale factor of dilation?
A. 1 over 2
B. 1 over 3
C. 1 over 4
D. 1 over 5

Answer 1

1/3 because one takes up three units of space

Answer 2

The scale factor of the dilation is
`(1)/(3)`.
Notice how one unit of Q'P' can take up 3 units of QP.