Area of circle = pi x radius squared where pi = 3.1416 radius = diameter/2 = 4/2 = 2 ins Area = 3.1416 x 2 x 2 sq.ins. = 12.5664 sq ins
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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.
4 * 3 * 3.14 = Fish