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Math Help - Pentagon Circumscribed about a circle?

  1. #1
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    Pentagon Circumscribed about a circle?

    It says solve for x if RS=10, ST=13, TU=11. UV=12, and VR=12. I cannot for the life of me figure this out. I added a picture for help.
    Thanks a bunch if anyone can help!
    Pentagon Circumscribed about a circle?-help.png
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  2. #2
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    Re: Pentagon Circumscribed about a circle?

    Make lots of triangles? Connect each adjacent intersection of the circle and the pentagon to create five triangles. Then, add in the radii to each of those intersection points. Among all of those triangles, maybe you can figure it out.
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  3. #3
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    Re: Pentagon Circumscribed about a circle?

    Pentagon Circumscribed about a circle?-math-18-dec-13.png
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