Question

Figure STUV and figure WXYZ, shown below, are similar figures.

The scale factor of figure STUV to figure WXYZ is 3:1. If ST = 39 mm and SV = 51 mm, what is the length of side WZ?
13 mm
117 mm
17 mm
153 mm

Answer 1

it's 13mm

Answer 2

Its 13 just took the test and got 13 right.

Answer 3

being for real here it is 13

Answer 4

13

Answer 5

can yall explain how yall got 17mm?

Answer 6

It's 13 i was doing this homework with my son.

Answer 7

it is 13

Answer 8

bruh its 13

Answer 9

I HAD THIS QUESTION TOO. ITS 13mm

Answer 10

IT is 13!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!