A = pi r2
A = 3.14 x 82
A = approximately 200.96 square units
pi*82 = 64*pi or 201.0619298 square units.
Radius of circle: 8/2 = 4 units
Area = 64pi implies that radius = 8 units So diameter = 2*rad = 16 units.
Diameter = 2*radius = 16 units
8 divided by (2*pi) = a radius of 1.273239545 linear units
A circle with a radius of 8 units has an area of 201.06 square units.
The diameter is two times the radius. a diameter of 8 units is 16 units of radius. Since area is proportional to radius squared ( pi x radius squared) then the area ratio of the bigger circl is (16/2) squared or 8 x 8 = 64 times greater.
It is: pi*82 = 64*pi square units
8 units; the diameter of a circle is twice its radius.
A circle with a radius of 8 units has a circumference of 50.3 units.
pi*82 = 64*pi or 201.0619298 square units.
Using 3.14 as Pi the area of circle is: 0
Radius of circle: 8/2 = 4 units
The radius is about 8 so the diameter = 2*8 = 16 units in length
The area of a circle with a radius of 8 meters is: 201.1 m2
Area = 64pi implies that radius = 8 units So diameter = 2*rad = 16 units.
A circle with a radius of 8 meters has an area of 201.06 square meters.