Answer: Not sure if I’m correct but I’m pretty sure
x = 90
Explanation:
Total figure = 360 degrees
107+72+91=270
360-270=90
Answer:
x=90 degrees
The sum of the 4 angles of a quadrilateral add to 360 degrees
Add the 4 angles
72+107+x+91 = 360
Combining like terms
270 +x = 360
Subtract 270 from each side
270+x-270 = 360-270
The unknown angle is 90
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