Answer:
x = 12
A = 144
Step-by-step explanation:
Angles A and B are the same so we can set them equal to each other
We can create the following equation
[tex]10x + 24 = 6x + 72[/tex]
Reduce
4x = 48
x = 12
We the plug x into 10x + 24 in order to calculate angle A.
144
