# Math

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

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1. C!

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2. 17 MM

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3. I HAD THIS QUESTION TOO. ITS 13mm

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4. it is 17

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5. it's 13mm

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6. It’s 17mm. So all y’all who said, 13mm, that’s wrong, and it’s a little bit of a trick question. I asked a friend who’s a middle school math teacher, and she said it’s 17mm.

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7. IT is 13!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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8. can yall explain how yall got 17mm?

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

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10. There is no 13 or 17 on here.

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11. it is 13

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12. Its 13 just took the test and got 13 right.

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13. 17

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14. being for real here it is 13

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15. 13

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16. 17

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17. It is 100% 17 i just had it on a test i choose 13 and it was wrong it is 17

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