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March 28, 2017

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an angle is 45 degree less than two times of its supplement, then the greater angle is

  • geometry - ,

    Let the angle be x.

    x = 2(180-x) -45
    = 360 -2x -45
    = 315 -2x
    3x = 315
    x = 105 degrees
    supplement of x = 75

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