CD's have a diameter of 5.5 centimeters;)
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The radius of a circle is the distance from the centre to the edge. The diameter is the distance right across the circle through the centre. So the diameter of a circle is always twice its radius. So if the radius of a circular CD is 6cm, the diameter is twice this - 12cm.
Close to 12cm
Yes, the peg will have a diameter of 0.955 inches which would allow it to fit in the hole.
A radius of a circle is from the center to the edge. A diameter goes from edge to edge across the center, so the diameter is twice the radius. 8.5 feet. ■
The diameter is twice as long as the radius. d = 2r The diameter is basically a line through the center of a circle while a radius is from the center to the circumference of a circle.