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