The image of polygon MNOP after a similarity transformation is polygon WXYZ. Each side of MNOP is 2 times as long as the corresponding side of WXYZ. What is the scale factor of the dilation in the similarity transformation?

A.4

B.0.5

C.2

D.0.25

Question

The image of polygon MNOP after a similarity transformation is polygon WXYZ. Each side of MNOP is 2 times as long as the corresponding side of WXYZ. What is the scale factor of the dilation in the similarity transformation?

A.4

B.0.5

C.2

D.0.25

anonymous · Answer

HELPPP!!!!

mathmate · Answer

Scale of transformation
=$\Large \frac{size~of~image}{size~of~original}$
If the orientation of line segments are reversed, the sign of the scale is negative.
Example:
|dw:1434371282332:dw|