Answer:
8x-17+63+3x+2=180(sum of triangle )
Step-by-step explanation:
11x-48=180
11x=180+48
11x=228
X=228÷11
X=20.72
x=12
The angles of a triangle add up to 180
63+8x-17+3x+2=180
46+2+8x+3x=180
48+11x=180
11x=132
