How many square units are in the area of the largest square that can be inscribed in a circle with radius 1 unit?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
How many square units are in the area of the largest square that can be inscribed in a circle with radius 1 unit?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
2
How many square units are in the area of the largest square that can be inscribed in a circle with radius 1 unit?
train