SOLUTION: A square is inscribed in circle of radius 12mm. What’s the area of the square?

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Question 328750: A square is inscribed in circle of radius 12mm. What’s the area of the square?
Answer by Fombitz(32388) About Me  (Show Source):
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From the diagram,
a%5E2%2Ba%5E2=12%5E2
2a%5E2=12
a%5E2=6
The side of the square is 2a.
The area of the square is then,
A=4a%5E2
A=4%286%29
highlight%28A=24%29sq. mm.