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anonymous

  • one year ago

Triangles QVS and RTS are similar. Find side VS.

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  1. anonymous
    • one year ago
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  2. mathstudent55
    • one year ago
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    Set up a proportion of the corresponding sides of the two triangles.

  3. anonymous
    • one year ago
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    how do I do that?

  4. mathstudent55
    • one year ago
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    |dw:1439254570630:dw|

  5. mathstudent55
    • one year ago
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    The circled sides are corresponding sides. The sides in squares are corresponding sides.

  6. anonymous
    • one year ago
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    |dw:1439254700610:dw| like this?

  7. mathstudent55
    • one year ago
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    |dw:1439254664458:dw|

  8. mathstudent55
    • one year ago
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    |dw:1439254744525:dw|

  9. mathstudent55
    • one year ago
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    |dw:1439254790712:dw|

  10. anonymous
    • one year ago
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    do I divide it, or cross multiply?

  11. mathstudent55
    • one year ago
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    Cross multiply.

  12. mathstudent55
    • one year ago
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    Wait. You can divide the left side first if you want to get smaller numbers.

  13. anonymous
    • one year ago
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    so it = 40?

  14. mathstudent55
    • one year ago
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    |dw:1439254978896:dw|

  15. mathstudent55
    • one year ago
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    Correct.

  16. anonymous
    • one year ago
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    thank you! :)

  17. mathstudent55
    • one year ago
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    You're welcome.

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spraguer (Moderator)
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