what is the value of W?

So, Q is the mid-point of UR.
So, T is the mid-point of US.
or, w = 1/2(w + 37)
or, w = w/2 + 37/2
or, w - w/2 = 37/2
or, w/2 = 37/2
or, w = 37/2 × 2
or, w = 37.
The value of w is 37.
Hope it helps.
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