If the diameter is 1 metre then the radius is 0.5 metre.
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The radius of a circle is 1/2 of the diameter.
The circumference of a circle (C) = 2 x pai x radius = pai x diameter Accordingly, the circumference = 3.14 x 1 meter = 3.14 meters
Two inches. The radius of a circle is 1/2 of the diameter.
13 mm. The radius of a circle is 1/2 of the diameter.
The radius of a circle is 1/2 of its diameter. If the diameter is 15 meters, then the radius is 7.5 meters.