Answer:
Step-by-step explanation:
I am assuing it is a traingale so the tolal angle is 180
3x+52+x^2+40+70=180
3x+x^2=18
x^2+3x-18=0
(x+6)(x-3)=0
x=-6 x=3
line a x=-6; line b x=3
angle 1:
a. -6*3+52=34
b. 9+52=61
angel 2:
a. -6^2+40=76
b. 9+40=49
Angle 3: 70
a. 70+76+34=180
b. 61+49+70=180
