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25 October, 12:56

Each exterior angle of a regular decagon has a measure of (3x + 6) °. What is the value of x? open study

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  1. 25 October, 14:52
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    The sum of exterior angles for a polygon is 360°. This is a decagon, having ten sides, so each exterior angle will be 360/10=36°, so we can say:

    3x+6=36 subtract 6 from both sides

    3x=30 divide both sides by 3

    x=10°
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