2.5 feet; the radius equals one half of the diameter. 5/2 = 2.5
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If the diameter is 5 feet then the radius is 2.5 feet. If the circumference is 5 feet then the radius is 0.79577 feet.
5ft * Pi = Approximately 15.7ft
Just double the radius. the diameter is twice the length. So if they radius is 5, then the diameter is 10.
The radius is 1/2 of the diameter. A diameter of 10 has a radius of 5.
The radius of a circle is half the length of its diameter. Therefore, if the diameter of the circle is 10 cm, the radius would be half of that, which is 5 cm. The formula to find the radius of a circle is r = d/2, where r is the radius and d is the diameter.