64*pi square inches
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A = 201 square inches.
diameter=2*radius 16 in = 2*radius 8 in = radius
Circumference of a circle is the diameter times pi or 2pi times the radius. Given the diameter, circumference = 16 times pi. So, the circumference is 16pi or 50.265
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.
The area of a circle with a diameter of 9.4 m is: 69.4 m2