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AngelDreamGurl

  • 4 years ago

0.o help???

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  1. AngelDreamGurl
    • 4 years ago
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  2. vietmath
    • 4 years ago
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    The sum of all angles in the quadrilateral will be 360 degree. Thus, we have \[ x+(x+1)+(3x+13)+(4x-14)=360 \] or \[ 9x=360 \] That implies \[x =40 \]

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