Answer:
x = 9
Q = 64
Explanation:
Since QRST is a trapezoid
∠Q = ∠R
9x - 17 = 4x + 28
9x - 4x = 28 + 17
5x = 45
x = 45/5
∠Q = 9x - 17
= 9*9- 17
= 81 - 17
= 64
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