Answer:
Step-by-step explanation:
We can model this function using the equation of a line:
Where a is the slope of the line and b is the y-intercept.
To find the values of a and b, we can use the two points given:
(-9, -3):
(-12, 4):
If we subtract the second equation from the first one, we have:
Then, finding the value of b, we have:
So the equation is:
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step 1
Find the radius of the circle
we know that
The circumference is equal to
we have
substitute
Solve for r
step 2
Find the area
The area of a circle is equal to