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Math Help - help!! pythogras theorem

  1. #1
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    help!! pythogras theorem

    http://www.emaths.co.uk/sats/2009/2009_68_Paper2.pdf < pls click here and go to question 24 and help me solve it
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  2. #2
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    e^(i*pi)'s Avatar
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    You want me to open a PDF from an unknown source? Pass

    Can you post it in plain text please?
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  3. #3
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    Quote Originally Posted by coolubi View Post
    http://www.emaths.co.uk/sats/2009/2009_68_Paper2.pdf < pls click here and go to question 24 and help me solve it
    the link is to a test.
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  4. #4
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    Does this help?
    Attached Thumbnails Attached Thumbnails help!! pythogras theorem-trapezium.jpg  
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  5. #5
    Member integral's Avatar
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    Using coolubi's example.

    <br />
a^2+b^2=c^2
    22^2=20^2+x^2
    x=\sqrt{22^2-20^2}
    x=2\sqrt{21}

    30-x=k

    30-2\sqrt{21}=20.84

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