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Math Help - Angles and degrees question

  1. #1
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    Angles and degrees question

    Hello everyone,

    I'm busy studying for the SAT & have ran into a problem that I do not quite remember in Geometry from my freshman year. I know it's an easy one to solve, but I can't figure out where to start. Can I have a little guidance on this? :




    Regards,
    Lance
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  2. #2
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    Re: Angles and degrees question

    Quote Originally Posted by Nepenthes View Post
    Hello everyone,

    I'm busy studying for the SAT & have ran into a problem that I do not quite remember in Geometry from my freshman year. I know it's an easy one to solve, but I can't figure out where to start. Can I have a little guidance on this? :
    ...
    I've modified your sketch a little bit. The numbers in red are : 180

    Determine the value of a;
    afterwards use the property that
    b = (a+10)^\circ
    Attached Thumbnails Attached Thumbnails Angles and degrees question-stufwinklsum.png  
    Thanks from Nepenthes
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