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It depends on context. R can stand for radius, which is a straight line from the center to the circumference of a circle or sphere. In the the equation d = rt, r stands for rate,
the speed with which something moves, happens, or changes. R can also stand for degrees Rankine, which are not widely used today.
Wiki User
∙ 6y ago
Wiki User
∙ 6y agoIt can mean lots of different things in different contexts. Some of these are
- correlation coefficient
- side of a polygon
- radius
- reaction force (mechanics)
- a variable counter (as in nCr or nPr in combinations and permutations).
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