please please solve this question
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the figure given is a concave quadrilateral.
sum of all the internal angles is 360°
reflex angle D = 360 ° - 130° = 230°
now, |A + |B + x + reflex|D = 360°
31° + 64° + x + 230° = 360°
=> x = 360° - (230° + 64° + 31°)
=> x = 360° - 325°
=> x = 35°
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