Question

What is the scale factor of dilation?   1 over 2  1 over 3  1 over 4  1 over 5

Answer 1

RP is 3 units long and its transformation R'P' is 1 unit long

R'P' = 1/3 * RP

so the scale factor is 1/3

Answer 2

Answer:  1 over 3

Step-by-step explanation:

The dilation is a transformation which produces similar figures.

The scale factor dilation is the ratio of the corresponding coordinates of the image and the pre-image.

In the given graph triangle PQR is dilated to form triangle P'Q'R', then the scale factor to the dilation is given by :-

$k=\dfrac{\text{x-cooordinate of R'}}{\text{x-cooordinate of R}}\\\\\Rightarrow\ k=\dfrac{1}{3}$

Hence, the  scale factor of dilation =  1 over 3