Answer:
20
Step-by-step explanation:

Answer:

<h3>
<u>21√2</u> is the right answer.</h3>
I think it is 20 because you have to multiply and then divide them add 11 then subtract 9 idk what I am saying
Answer:
Right Triangle
Step-by-step explanation:
BC is tangent to circle O, and since radius OB is perpendicular to this tangent, then the triangle must have a right angles in it, making it a right triangle.
The triangle could also be scalene, but that is not for sure, meaning it is primarily a right triangle.
8 X
----- = ------
20 40000
40000/20=2000
2000*8=16000
X=16000