The circumference of a circle is twice the radius times PI [2*pi*r] with r = 4 >> about 25
Area = Pi(r)2 - A circle with a radius of 12 centimeters has an area of 452.39 square centimeters.
Radius = 1/2 of diameter = 7/2 = 3.5 inches
Circumference of a circle = pi*diameter or 2*pi*radius
Radius = Diameter/2 so if diameter = 20 Radius = 20/2 = 10
radius = b/2*pi
radius = diameter/2
Radius of circle is the square root of 154/pi = 7 units rounded
Area = Pi(r)2 - A circle with a radius of 12 inches has an area of 452.39 square inches.
The circumference of a circle is twice the radius times PI [2*pi*r] with r = 4 >> about 25
pi*25 = 78.5.
Area = Pi(r)2 - A circle with a radius of 25 inches has an area of 1,963.5 square inches.
Area = Pi(r)2 - A circle with a radius of 12 centimeters has an area of 452.39 square centimeters.
Radius = 1/2 of diameter = 7/2 = 3.5 inches
10 cm
Circumference of a circle = pi*diameter or 2*pi*radius
Radius = Diameter/2 so if diameter = 20 Radius = 20/2 = 10