Asked by thomas

AOD is a diameter of circle O. The coordinates of points A and D are (-11,-5)and (-3,-5)Find the area of circle O.

a. 9 pi
b. 16 pi
c. 25 pi
d. 64 pi
e. 116 pi

please answer and explain
Answered by Steve
just figure the distance between the points. That is the length of the diameter. Half of that is the radius.

Now figure the area of the circle.
Answered by Anonymous
16 pi
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