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Math Help - Show that v=90-x

  1. #1
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    Show that v=90-x

    I need help with this task. Can somone tell whats obvious and give a couple of clues.


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  2. #2
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    Quote Originally Posted by kevin3000 View Post
    I need help with this task. Can somone tell whats obvious and give a couple of clues.

    I've modified your sketch a little bit:

    1. |\theta| = 180^\circ - 2x

    2. |\theta| = 2v

    Substitute \theta in 2. by 1. and solve for v.
    Attached Thumbnails Attached Thumbnails Show that v=90-x-centriwinkl.png  
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