4 * 3 * 3.14 = Fish
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The area of a circle with a diameter of 4 inches is: 12.57 square inches.
Area of a circle = (1/4) x (pi) x (square of the diameter)
Its diameter is about 4 cm rounded
The area of a circle is A = pi times diameter² / 4. Given diameter d = 10 inches. Area A = 78.5398 inches².
In a circle with a diameter of 4, there would be approximately 12.56 square inches in the circle.