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Learn the basics of radius, diameter, circumference, degrees, rotations, velocity, and more in geometry. Move forward with confidence in understanding key concepts.
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r = d/ 2 (r = radius; d = diameter) c = 2 π r c = π d (c = circumference) Radius, Diameter & Circumference
n = degrees/360 D = (degrees/360) c Degrees & Rotations
v = D / t (v = velocity) Distance, Speed & Time