Finding the scale factor of two triangles

Question: can you please help me with this question
ΔSTU  ΔXYZ, ST = 6, SU = 8, XZ = 12, and YZ = 15. What is the scale factor of ΔSTU to ΔXYZ? 

 a
2/5

 b
1/2

 c
8/15

 d
2/3

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Answered By:

Isabel P.
Patient and experienced math and English tutor

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