For now I don't know the answer to this problem of yours.
A. 200
B is 80° which means AC = 160°
A circle always equals 360°
360-160= 200
Answer:


Step-by-step explanation:
We have the system of equations:

Let's solve by substituting. We know that
, so we can substitute
in as
in the equation
.

Simplify this down so that we have
on one side of the equation:

Now that we know the value of
, we can substitute it in to the equation
to find
.

Hope this helped!
<span>I think it may be 57 linear sq. ft
</span>