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Thread: in a right angled triangle ABC

  1. August 11th 2010, 06:53 AM #1
    grgrsanjay
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    in a triangle ABC

    in a triangle ABC where a,b,c are the sides opposite to the angles A,B,C respectively
    if a^2 + b^2 + c^2 = ac + ab*3^\:\dfrac{1}{2}
    prove that it is a right triangle
    Last edited by grgrsanjay; August 13th 2010 at 05:12 PM. Reason: Copied title into main body of post.
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  2. August 11th 2010, 11:50 AM #2
    Amer
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    what is the question ??
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  3. August 12th 2010, 07:32 AM #3
    grgrsanjay
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    ..

    prove that it is a right angled triangle
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