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Thread: triangle

  1. #1
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    triangle

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    stuck on part question10.i im trying to use pythagorous. 4^2 = square root(2^2 +h^2) when i solve this i get root 252 the right answer is though 2root3. dont know where i am going wrong
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  2. #2
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    Re: triangle

    Pythagoras would yield 4^2 = 2^2 + h^2.

    Can you take it from here?
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  3. #3
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    Re: triangle

    $h^2+2^2=4^2\implies h^2=4^2-2^2\implies h= \sqrt{16-4}=\sqrt{12}=2\sqrt{3}$
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  4. #4
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    Re: triangle

    Thanks was using wrong forumula
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