The area of a circle with a diameter of 12 inches is: 113.1 square inches.
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A = ~113.0973 units2
12
12? maybe? or 24? or 18?
Area of a circle = (pi) (radius)2 Radius = 1/2 (diameter) = 12. Area = (pi) (12)2 = 144 pi = 452.389 square units (rounded)
Area of the circle: pi*6 squared = 36*pi square inches