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Math Help - converse to thales theorem

  1. #1
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    converse to thales theorem

    Prove

    If angle ACB is a right angle, then the vertices of triangle ABC lie on a circle and AB is a diameter of that circle.

    I know I have to set up a proof by contradiction
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  2. #2
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    Maa'le edomim-near Jerusalem
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    Quote Originally Posted by matntrng View Post
    prove

    if angle acb is a right angle, then the vertices of triangle abc lie on a circle and ab is a diameter of that circle.

    I know i have to set up a proof by contradiction
    here is the proof!
    Attached Thumbnails Attached Thumbnails converse to thales theorem-1.jpg  
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