A circle with a radius of 3 inches has an area of 28.27 square inches.
28.27
2.999239468 or about 3 inches
If you mean a circle then:- radius = sq rt of (72/pi) = 4.787 inches to 3 decimal places
Area = pi*102 = 314.159 square inches to 3 dp
A circle with a radius of 3 inches has an area of 28.27 square inches.
28.27
It's half of the area of the whole circle...
Area of circle: 3.14 times 3 squared = 30.69 square inches
2.999239468 or about 3 inches
6
18.84 square inches
If you mean a circle then:- radius = sq rt of (72/pi) = 4.787 inches to 3 decimal places
Area = pi*152 = 706.858 square inches to 3 d.p.
Area = pi*422 = 5541.769 sq inches to 3 d.p.
Area = pi*102 = 314.159 square inches to 3 dp
The 'closest' value of the area of a 3-inch circle is: 7.06858347 square inches.