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Thread: Proof: the exterior angle of a triangle equals to addition of opposite2 interiors

  1. #1
    Senior Member x3bnm's Avatar
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    Proof: the exterior angle of a triangle equals to addition of opposite2 interiors

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  2. #2
    Forum Admin topsquark's Avatar
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    Re: Proof: the exterior angle of a triangle equals to addition of opposite2 interiors

    Is there a question here somewhere?

    -Dan
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  3. #3
    MHF Contributor

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    Re: Proof: the exterior angle of a triangle equals to addition of opposite2 interiors

    Unfortunately, x3bnm is treating this board as place to post what he considers interesting solved problems.
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