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Kitten_is_back

  • one year ago

http://prntscr.com/8ckkee

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  1. welshfella
    • one year ago
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    use the Pythagoras theorem:- 41^2 = 9^2 + l^2 solve for l

  2. Kitten_is_back
    • one year ago
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    What?

  3. welshfella
    • one year ago
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    have you not come across the Pythagoras theorem?

  4. Kitten_is_back
    • one year ago
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    I DONT GET IT I DONT get my answer when i do it

  5. welshfella
    • one year ago
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    If you have a right angled triangle like in the diagram the square on the longest side = sum of the squares on the other 2 sides

  6. welshfella
    • one year ago
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    |dw:1441386353535:dw|

  7. welshfella
    • one year ago
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    a/62 = b^2 + c^2

  8. Kitten_is_back
    • one year ago
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    18 and 82

  9. welshfella
    • one year ago
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    * typo - that is a^2

  10. Kitten_is_back
    • one year ago
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    what

  11. Kitten_is_back
    • one year ago
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    what are you i'm confused more

  12. Kitten_is_back
    • one year ago
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    - _-

  13. welshfella
    • one year ago
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    what is 18 and 82 supposed to be?

  14. Kitten_is_back
    • one year ago
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    -_- WHEN I TIMES 2 WON BOTH SIDES AS

  15. welshfella
    • one year ago
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    41^2 means 41 squared not 41 times 2 41^2 = 41* 41

  16. Kitten_is_back
    • one year ago
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    =+= OKAYYY

  17. welshfella
    • one year ago
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    41^2 = 9^2 + l^2 l^2 = 41^2 - 9^2 when you have worked out the right side, take its square root - that will give you the length of l.

  18. Kitten_is_back
    • one year ago
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    82?

  19. welshfella
    • one year ago
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    is that what you get for the value of l?

  20. Kitten_is_back
    • one year ago
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    YES --_-

  21. welshfella
    • one year ago
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    no what is 41*41 ?

  22. Kitten_is_back
    • one year ago
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    1681

  23. welshfella
    • one year ago
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    right and 9^2 ?

  24. Kitten_is_back
    • one year ago
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    81

  25. welshfella
    • one year ago
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    ok - so 1681 - 81 = 1600 now use your calculator to find the square root of 1600 and that is your answer

  26. Kitten_is_back
    • one year ago
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    wwh k

  27. Kitten_is_back
    • one year ago
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    40

  28. welshfella
    • one year ago
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    ? - are you using shorthand?

  29. welshfella
    • one year ago
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    40 is correct

  30. welshfella
    • one year ago
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    lol - you are a character!

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