If the radius of a circle is reduced by 40%, its circumference is reduced by-
Solution
Correct Answer: Option B
If radius of a circle is r, circumference 2πr where 2π is constant
So, if radius is changed, the circumference will change by the same amount.
The radius of a circle is reduced by 40%,then its circumference is reduced by 40%
So, if radius is changed, the circumference will change by the same amount.
The radius of a circle is reduced by 40%,then its circumference is reduced by 40%
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