the diameter of a circle with the radius of 9m is 18m
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What is the radius of a circle with a diameter of 4.56 m? The radius is half the diameter. Radius r = 2.28 m
Radius: 2.1 divided by 2 = 1.05 m
if a radius is 5cm the diameter is 10cm rule- you double the radius
If a circle has a diameter of 67.5 m, then the radius is half of that. Half of 57.5 is 28.75
If Diameter = 24 m then Radius = 12 m Area of a circle = πr2 = π 122 = 144π = 452.39 sq ms