The value of z from the cyclic quadrilateral as described is; 173/22.
What is the value of z?
Since the quadrilateral TUVW is a cyclic quadrilateral, it follows that the opposite angles of the quadrilateral are supplementary and hence, amount to 180.
On this note, 14z -7 +8z = 360
22z -7 = 180
22z = 180 -7
z = 173/22
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