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Math Help - One of those paragraph proofs....

  1. #1
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    One of those paragraph proofs....

    I've attached the image. Can you pleassse give the statements and reasons for this problem? (link attached for image)

    http://i1174.photobucket.com/albums/...enandprove.jpg


    Thank you!
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  2. #2
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    Re: One of those paragraph proofs....

    By the definition of a perpendicular line, the angles are all 90 degrees. They are all corresponding angles, and by the corresponding angles postulate, line C is parallel to line D.

    It's been a year since I did Geometry. I'm not sure if this would be the correct way to word it, but use the perpendiculars to prove that C and D are transversals of lines A and B, hereby using the Corresponding Angles Postulate. Then, by the converse, C and D are parallel.
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  3. #3
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    Re: One of those paragraph proofs....

    You have posted at least two problems without showing any attempt of your own. You can't expect others to do your homework for you. You won't learn very much from that.
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  4. #4
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    Re: One of those paragraph proofs....

    Thank you!

    Yes, indeed I have done this work by myself. These were the two problems that I couldn't figure out. I needed someone's help to show me how to do it...so I can learn.
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