Circle area = Pai x Diam2 / 4 = 3.14 x 8 x 8 /4 sq inch = 50.24 sq inch
Another Answer:-
Area of the circle: pi*42 = 50.265 inches to three decimal places
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The area of a circle with an 8 inch diameter is approximately 50.27 square inches.
If its area is 16*pi square inches then its radius is 4 inches and its diameter is 8 inches
Radius of a circle = 1/2 of the diameter.Area of a circle = (pi) x (radius)2For the diameter of 16 inches, radius = 8 inches, and area = (pi) (8)2 = 201.062 square inches (rounded)
The area of a circle can be found using the formula A = πr^2. Given that the diameter is 16 inches, the radius would be half of that, which is 8 inches. Therefore, the area of the circle is A = π(8 inches)^2, which simplifies to an area of 64π square inches or approximately 201.06 square inches.
8 inches; the diameter of a circle is twice its radius.