If error in measuring diameter of a circle is \( 4 \% \), the error in measuring radius of the c...

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If error in measuring diameter of a circle is \( 4 \% \), the error in measuring radius of the circle would be
(a) \( 2 \% \)
(b) \( 8 \% \)
(c) \( 4 \% \)
(d) \( 1 \% \)
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