The angles of quadrilateral are 105°, 76°, 56° and x.
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Step-by-step explanation:
133
Step-by-step explanation
Sum total of all the angles of quadrilateral is 360°.
Hence 360°=105°+72°+50°+x
360°=227°+x
360°-227°=x
133°=x
Therefore the value of forth side of the quadrilateral is 133°
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