9514 1404 393
Answer:
128°
Step-by-step explanation:
End angles of a trapezoid are supplementary.
x° = 180° -52° = 128°
x = 128
According to the question
The supplementary theorem
x + 52 = 180
x = 180 - 52
x = 128⁰
Value of x is 128⁰
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