A) \[\frac{\pi }{2}\]
B) \[\frac{\pi }{4}\]
C) \[\frac{\pi }{6}\]
D) \[\pi \]
Correct Answer: A
Solution :
| \[y=\sqrt{4-{{x}^{2}}}\] |
| \[<y{{>}_{\text{avg}}}=\frac{\int\limits_{-\,2}^{2}{\sqrt{4-{{x}^{2}}}}dx}{4}\] |
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