The radius of a circle is 1/2 of its diameter. If the diameter is 15 meters, then the radius is 7.5 meters.
radius = diameter/2
radius = 0.75/2 = 0.375
Diameter = Radius * 2 In this case, radius = 8 cm so diameter = 16 cm
Radius = 1/2 of diameter = 7/2 = 3.5 inches
Diameter of circle = 2 * Radius of the circle.
Radius = 1/2 diameter Radius = 7.5 ft = 7ft 6inches.
Radius = Diameter/2 so if diameter = 20 Radius = 20/2 = 10
0.375 (r = d/2).
1/2 of the diameter
radius is halve the diameter. So d=375 r=375/2=187.5
The perimeter of a circle is its circumference and it is: 2*pi*radius or pi*diameter