Answer:
x+2x+3x+4x=180°
Explanation:
10x=180
x=180/10
x=18 ans
In a quadrilateral, the angles add up to 360 degrees.
-> x + 2x + 3x + 4x = 360.
-> 10x = 360
-> x = 36.
Therefore, the measurements of each angle are 36,72,108,144 accordingly.
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