d = r x 2: 2 x 48m = 96m
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The radius of a circle is 1/2 of its diameter. If the diameter is 15 meters, then the radius is 7.5 meters.
Diameter = 2 x radius = 9 meters
To find the diameter, 48/pi To find the radius, (48/pi) then divide by 2 :)
Radius = diameter/2 = 24 inches
radius = 48/2 = 24 km