D = 68° , A = 126° , B = 106° , X = ?
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Answer:
X=60° is the correct answer
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ABDX is a quadrilateral.
sum of quad. = 360°
A +D +B + X = 360°
126°+68°+106°+ X = 360°
300° + X = 360°
X = 360° - 300°
X = 60°
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