Answer:
True
Step-by-step explanation:
we know that
A circle can be circumscribed about any regular polygon
A circumscribed circle surrounds a regular polygon, touching every vertex
The relationship between a and b is that they are SUPPLEMENTARY ANGLES
Hello!
We can write this as a proportion below.

As you can see, 4 is eight times 0.5. Therefore, we can multiply eighteen by eight to get our answer.
18(8)=144
Just to check, we can cross multiply and divide.
72/0.5=144
Therefore, our answer is
144 feet.
I hope this helps!