Answer:

Step-by-step explanation:
we know that
-----> by central angle
see the attached figure to better understand the problem
we have


substitute


The answer is9000 thats the answer
Answer:
The answer would be a=2.
Step-by-step explanation:
Since both sides of the equation are being multiplied by b then you would divide both of them by B. This will just remove the B from the equation entirely and leave you with a=2. I hope that this was helpful.