The radius of a circle is 1/2 of its diameter. If the diameter is 15 meters, then the radius is 7.5 meters.
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The diameter of a circle is twice the radius. When the diameter is 7 metres, the radius is 3.5 metres.
4.6; the diameter of a circle is twice its radius.
20; the diameter of a circle is twice its radius.
The diameter of any circle is twice the radius. Hence, for this particular circle, the diameter is 106.
Circumference of a circle = 2*pi*radius or pi*diameter Circumference = 21.67698931 or 21.7 meters to the nearest tenth