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katlin95

  • 2 years ago

help!!! please? Find the perimeter of the kite below, round to the nearest hundredth A. 38.8 cm B. 26 cm C. 80 cm D. 19.4 cm

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  1. katlin95
    • 2 years ago
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  2. hartnn
    • 2 years ago
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    u know pythagoras theorem ?

  3. katlin95
    • 2 years ago
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    yes a little bit, but not much?

  4. hartnn
    • 2 years ago
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    in triangle QYZ, can you apply pythagoras theorem and find side YZ ?

  5. katlin95
    • 2 years ago
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    alright I got 26 as an answer is that right?

  6. hartnn
    • 2 years ago
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    nopes, 26 as perimeter or YZ=26 ? anyways both are incorrect. show your work , how u got 26 ?

  7. hartnn
    • 2 years ago
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    |dw:1356337389904:dw|

  8. hartnn
    • 2 years ago
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    ^pythagoras theorem.

  9. katlin95
    • 2 years ago
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    okay I got 169 takeing 5^2+12^2 ad i got 169 now what?

  10. hartnn
    • 2 years ago
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    thats correct, but thats c^2 =169 so, \(c=\sqrt{169}=..?\)

  11. katlin95
    • 2 years ago
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    13!

  12. hartnn
    • 2 years ago
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    yes, good! now apply pythagoras in triangle XQY and find XY=...?

  13. katlin95
    • 2 years ago
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    i dont get what you mean, could u apply a problem for me to solve?

  14. hartnn
    • 2 years ago
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    i'll draw that triangle....

  15. katlin95
    • 2 years ago
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    ok

  16. hartnn
    • 2 years ago
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    |dw:1356337770524:dw|

  17. hartnn
    • 2 years ago
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    now can u find XY =.. ?

  18. katlin95
    • 2 years ago
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    yup hold o

  19. katlin95
    • 2 years ago
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    where x and wheres y?

  20. hartnn
    • 2 years ago
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    |dw:1356338023630:dw|

  21. hartnn
    • 2 years ago
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    its the same thing u did earlier, put a=4, b=5, find c

  22. hartnn
    • 2 years ago
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    \(c^2=4^2+5^2 \\c=...?\)

  23. katlin95
    • 2 years ago
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    wouldnt it be ?A

  24. hartnn
    • 2 years ago
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    how ?

  25. katlin95
    • 2 years ago
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    6.4+6.4+13+13=38.8, because were fiding the perimeter

  26. hartnn
    • 2 years ago
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    thats correct! good work :)

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