The 'closest' value of the area of a 3-inch circle is: 7.06858347 square inches.
Radius is 3 times as large so area is 3*3 = 9 times as large.
If "3 inches" refers to the circle's diameter, then the radius is one-half of that.
A circle with a radius of 3 inches has a circumference of 18.8 inches
Area = pi*302 = 2827.433 square inches to 3 decimal places
The radius of a circle is half the diameter, so the radius of a 6 inch diameter circle is 3 in.
A circle with a radius of 3 meters has an area of 28.27 square meters.
The area of a circle with a radius of 3 feet is: 28.27 square feet.
A circle with a radius of 3 cm has an area of 28.27 square cm.
A circle has only one measure for its radius. A shape that has a "radius" of 3 in by 4 in cannot be a circle.
A circle with a radius of 3 inches has an area of 28.27 square inches.
Radius = 12.414 inches (to 3 dp)