Answer:
-5/4
Step-by-step explanation:
change in y/change in x
Sorry didn't know how to write the answer so I just took a screen shot of my answer for you!
That's a quarter of the circle. So find the area of the circle, and divide by 4 to get the answer.
Circle area = 3.14*13^2 = 530.66
Answer = circle area / 4 = 132.665