51/5
taking 10 and multiplying it by 5 will give us 50, which then we would add the 1, making it 51/5.
Step-by-step explanation:
First of all we need to know the formula for the circumference which is:
We don't have the radius. What we only have is the area; therefore, we must use the area formula and extract the radius from it.
The formula for the area is: Solve for r;
Now that we've found the radius, we simply plug it into the circumference formula.
Answer:
-2
Step-by-step explanation:
-1+2-3
-2