16\pi
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Points $A(2,5)$ and $B(10,5)$ are the endpoints of a diameter of a circle graphed in a coordinate plane. How many square units are in the area of the circle? Express your answer in terms of $\pi$.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
16\pi
Points $A(2,5)$ and $B(10,5)$ are the endpoints of a diameter of a circle graphed in a coordinate plane. How many square units are in the area of the circle? Express your answer in terms of $\pi$.
train