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Senior012

  • 3 years ago

A suitcase measures 20 in. long and 15 in. high. What is the diagonal length of the suitcase? A)25 B)62 C)12.8 D)29

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  1. goformit100
    • 3 years ago
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    |dw:1339824544160:dw|

  2. Senior012
    • 3 years ago
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    WHATS THAT ?

  3. Senior012
    • 3 years ago
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    CAN YOU SHOW ME THE FORMULA ?

  4. King
    • 3 years ago
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    |dw:1339824727133:dw| first find this line then find the other one...

  5. Senior012
    • 3 years ago
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    THATS NOT HELPING ME. IDK WHAT THAT IS. I NEED THE FORMULA FOR WHAT YOUR TYRING TO EXPLAIN.

  6. King
    • 3 years ago
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    its pythagoras theorem

  7. Senior012
    • 3 years ago
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    WHATS THE THEOREM ?

  8. King
    • 3 years ago
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    'The sum of the squares of two sides is equal to the square of the third side.' a^2+b^2=c^2 where a,b<c

  9. UnkleRhaukus
    • 3 years ago
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    when you have a right angled triangle and c is the hypotenuse \[a^2+b^2=c^2\]|dw:1339825048171:dw| hence\[10^2+15^2=d^2\]

  10. Senior012
    • 3 years ago
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    OK WELL I DID (10 SQ + 15 SQ = D SQ) & GOT 325 WHICH IS NOT AN OPTION I HAVE . NOTHING IS MAKING SENSE TO ME ):

  11. goformit100
    • 3 years ago
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    @seashell

  12. seashell
    • 3 years ago
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    wat

  13. goformit100
    • 3 years ago
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    IS THIS CORRECT

  14. King
    • 3 years ago
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    its not 10^2+15^2 do 15^2+20^2 then root it..then do that squared +20^2 and root it fr answer....

  15. goformit100
    • 3 years ago
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    |dw:1339825763507:dw|

  16. King
    • 3 years ago
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    oh sry just do 15^2+20^2 and root fr answer its sqrt(225+400) sqrt(625) 25

  17. UnkleRhaukus
    • 3 years ago
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    that diagram is incorrect read the question again

  18. goformit100
    • 3 years ago
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    WHICH ONE IS INCORRECT

  19. UnkleRhaukus
    • 3 years ago
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    the 3d diagrams

  20. goformit100
    • 3 years ago
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    WHOSE MINE OR HIS

  21. King
    • 3 years ago
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    @UnkleRhaukus ure diagram is rite but instead of sayin 15^2+20^2 u said 10^2+15^2

  22. King
    • 3 years ago
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    both of ours

  23. UnkleRhaukus
    • 3 years ago
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    ok i made a typo there \[15^2+20^2=d^2\]

  24. goformit100
    • 3 years ago
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    @UNCLE IS CORRECT

  25. Senior012
    • 3 years ago
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    SO I DO 15(15)+20(20) ?

  26. UnkleRhaukus
    • 3 years ago
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    yes, and then take the square root to find d

  27. goformit100
    • 3 years ago
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    thanks @UnkleRhaukus

  28. Senior012
    • 3 years ago
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    THE SQUARE ROOT OF MY ANSWER ?

  29. King
    • 3 years ago
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    yeah the square root of the sum of 15^2+20^2

  30. Senior012
    • 3 years ago
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    IS MY FINAL ANSWER 25? (:

  31. King
    • 3 years ago
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    got it? @Senior012

  32. UnkleRhaukus
    • 3 years ago
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    YES!

  33. King
    • 3 years ago
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    yeah!!super!!:D

  34. Senior012
    • 3 years ago
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    THANK YOU SO MUCH EVERYONE (: !!

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