| Help me with math please!?
1. if a regular octagon is inscribe in a circle with radius 6, what is the area of the octagon?
2. If a regular octagon is inscribed in a circle, find the area of a regular octagon inscribed in a circle with radius of 1.
3. If a regular octagon is inscribed in a circle, and the area of the octagon is 72, what is the area of the circle?
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