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Thread: Made-up Circle Problem

  1. #1

    Question Made-up Circle Problem

    My friend made up the below geometry problem, and spent two weeks trying to solve it.

    Find the radius of Circle A
    If there is no way to find a logical solution, please explain why not.

  2. #2
    Elite Member stapel's Avatar
    Join Date
    Feb 2004
    Posts
    15,665

    Cool

    Quote Originally Posted by BumbleStar View Post
    My friend made up the below geometry problem, and spent two weeks trying to solve it.

    Find the radius of Circle A
    If there is no way to find a logical solution, please explain why not.
    What are your thoughts? What have you tried? How far have you gotten? Where are you stuck?

    Please be complete. Thank you!

  3. #3
    New Member
    Join Date
    Jan 2018
    Posts
    18
    circle.jpg

    (2+r)^2-(2-r)^2=(4-r)^2-r^2, so r=1
    Quote Originally Posted by BumbleStar View Post
    My friend made up the below geometry problem, and spent two weeks trying to solve it.

    Find the radius of Circle A
    If there is no way to find a logical solution, please explain why not.

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