Answer:
the third angle= 180-x-(4x+15)
Step-by-step explanation:
if we subtract the two other angles the result will be the measure of the last one
Angle 6 - 30
Angle 5 - 73
Angle 1 - 37
Angle 2 - 52
Angle 4 - 63
Angle 3 - 128
The measure of B’C’ is 18 inches
