Diameter = double the radius = 16
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8 units; the diameter of a circle is twice its radius.
The radius of a circle is half of the diameter. Therefore, if the diameter is 16 inches, the radius would be half of 16, which is 8 inches. The radius is the distance from the center of the circle to any point on the circle's circumference.
The radius will be half the diameter of 8 inches which is 4 inches
If the radius of a circle is 8, then the diameter is 16. The diameter of a circle is two times of a radius The equation would be d = 2r so plugging in 8 for r, the equation would become d = 2(8) Therefore d is 16.
The radius and diameter of a circle whose circumference is 25.12 are:r = 4d = 8