Respuesta :

elainemokk

Answer: Not sure if I’m correct but I’m pretty sure

x = 90

Step-by-step explanation:

Total figure = 360 degrees

107+72+91=270

360-270=90

wegnerkolmp2741o

Answer:

x=90 degrees

Step-by-step explanation:

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

x = 90

The unknown angle is 90

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