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Two column proof showing segments are perpendicular

khanacademy khanacademy·3,519 videos
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Uploaded on Sep 23, 2011

Learn more: http://www.khanacademy.org/video?v=fS...
Using triangle congruency postulates to show that two intersecting segments are perpendicular

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Top Comments

  • LOGINxORxREGISTER

    LOGINxORxREGISTER 7 months ago

    dat voice

    · 12

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  • malissalovesmusic

    malissalovesmusic 5 months ago

    you can't say obvious as a reason in a proof... 

    · 6

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All Comments (31)

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  • Maha Khan

    Maha Khan 2 months ago

    yea, you have to say "reflex property"

    ·

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    in reply to malissalovesmusic (Show the comment)
  • Thomas West

    Thomas West 2 months ago

    Thanks this helps so much

    ·

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  • dane hall

    dane hall 3 months ago

    Or ssa

    ·

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  • dane hall

    dane hall 3 months ago

    What about ass

    ·

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  • malissalovesmusic

    malissalovesmusic 5 months ago

    CA=CA because of reflexive

    ·

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  • Zahin Huq

    Zahin Huq 5 months ago

    I think that There is a reflexive of reflective Postulate. Instead of writing Obvious, u can put them. o_O

    ·

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  • summersun4235

    summersun4235 6 months ago

    Thanks so much!!! 

    ·

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  • MrClassicCritic

    MrClassicCritic 6 months ago

    1:10 ....its its a its love that lol

    ·

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  • Swagg0523

    Swagg0523 6 months ago

    excatly what i need had proof

    ·

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