Q: If radius of a circle is decreased by 11%, then the total decrease in the area of the circle is given as: यदि किसी वृत्त की त्रिज्या में 11% की कमी की जाती है, तो वृत्त के क्षेत्रफल में हुई कुल कमी को ज्ञात करें।
A.
20.79%
B.
19.50%
C.
20.50%
D.
21%
Correct Answer:
Option A -
Explanations:
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