Question 207896
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