I would say exactly 50!
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Radius = 10Diameter = 20Circumference = pi D = 20 pi.50 degrees = (50 / 360) of the whole circle.Arc length = (50 / 360) of (20 pi) = (1,000 pi / 360) = 8.727 cm (rounded)
The length of the diameter is always twice the length of the radius.
Length of diameter:length of radius = 2:1
The length of a radius of a circle is half of the diameter of the same circle. So, diameter is always twice the radius.
the radius is half the diameter. radius is half of 11. Which is 5.5.