Find the ratio of length of radius and perimeter of a circle
WBBSE
Class X
Mathematics
Ratio And Proportion
01 Mark
2025
The perimeter (circumference) of a circle is given by:
C = 2Ï€r
The ratio of the radius to the perimeter is:
r : (2Ï€r)
= 1 : 2Ï€
Thus, the required ratio is 1 : 2Ï€
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