40.8cm
4.6; the diameter of a circle is twice its radius.
The area of a circle whose radius is 19 centimeters is: 1,134 cm2
170mm. Diameter of a circle is two time the radius.
20; the diameter of a circle is twice its radius.
By definition, the diameter of a circle is twice the radius.
The diameter of any circle is twice the radius. Hence, for this particular circle, the diameter is 106.
The radius and diameter of a circle whose circumference is 25.12 are:r = 4d = 8
radius=4cm diameter=8cm *radius is half the diameter
The radius of a circle whose area is 3.14 square centimeters is: 1 cm
The diameter of a circle is twice the radius. When the diameter is 7 metres, the radius is 3.5 metres.
The radius of a circle is 1/2 of its diameter. If the diameter is 15 meters, then the radius is 7.5 meters.