find value of x in quadrilateral measures =68degree,128degree,108degree,2xdegree
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Step-by-step explanation:
we know that sum of all angles in a quadrilateral is 360°
∴ 68° + 128° + 108° + 2x° = 360
304 + 2x° = 360
2x° = 360 - 304
2x° = 56
∴ x° = 56/2
∴ x° = 28°
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