Answer: D) 72
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Work Shown:
Angle PQR = (far arc - near arc)/2
2x+72 = ( (2x+252) - (2x+108) )/2
2x+72 = 144/2
2x+72 = 72
2x = 72-72
2x = 0
x = 0/2
x = 0
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Angle PQR = 2x+72
Angle PQR = 2(0)+72
Angle PQR = 72 degrees