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put this solution on YOUR website!5x+8 +x+4 = 90
6x+12 =90
6x=78
x=13
Angle A = 5x +8
Angle A = 5*13 + 8 = 65+8=73 degrees
Angle B = x+4
Angle B = 13+4 = 17 degrees
Check: 73 + 17=90
R^2
Dr. Robert J. Rapalje
Altamonte Campus
Seminole State College
Florida