Answer:
ok
Step-by-step explanation:
hope it helps you.........
angle 2= 52.7° (same as angle 4)
angle 1 and angle 3 = 127.3°
a =45°
b=45°
c=30°
d=30°
e=30°
f=30°
total of the angle
90×4=360
D
A=-5
