The formula for area of a circle is:
A = (pi)*r^2
If the diameter of a circle is 6 then the circle's radius is 3. So,
A = (pi)*(3)^2
A= 9*(pi) inches squared
or A = 28.26 inches squared (rounded)
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The area of a circle with a diameter of 6 units is: 28.27 square units.
A circle with a diameter of 6 units has an area of 28.27 square units.
A circle with a diameter of 6 feet has an area of 28.27 square feet.
The area of a circle whose diameter is 6 mm is: 28.27 mm2
Area of a Circle = (pi)(r^2) Diameter = 2r If the diameter of the circle is 12, then the radius has to be 6. If the area of a circle is pi times the square of the radius, and the square of 6 is 36 (6x6), then the area of the circle is 36pi.