Question

Triangle QRS is similar to triangle TUV. Find the measure of side TU. Figures are not

drawn to scale.
15
o
R
2.5
10
T
U

Answer 1

2/10 = 2.5/TU

1/5 = 2.5/TU

TU/5 = 2.5, so TU = 12.5

Answer 2

TU=12.5

Explanation:

2/10=2.5/x

cross multiply

2x=25

x=25/2

x=12.5