A) \[38.5{{m}^{2}}\]
B) \[40.5{{m}^{2}}\]
C) \[41.5{{m}^{2}}\]
D) None of these
Correct Answer: D
Solution :
Area of top of the pit \[=\pi {{r}^{2}}\] \[=\pi {{\left( 7 \right)}^{2}}\] \[=\frac{22}{7}\times 49\] \[=154\,{{m}^{2}}\]
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