Answer:
3.875
Step-by-step explanation:
Add all of them then divide.
Sides are always equal. Pretty sure
I think the answer is c -6.5<6.55
One of the other angles is 72. Vertically opposite angles are equal.
Two angles that are side by side on this arrangement are supplementary.
That means they are to 180
x + 72 = 180
x = 180 - 72
x = 108
Answer
the for angles are
72 + 72 + 108 + 108