A) \[8.5\,\,c{{m}^{2}}\]
B) \[8.75\,\,c{{m}^{2}}\]
C) \[7.75\,\,c{{m}^{2}}\]
D) \[7.50\,\,c{{m}^{2}}\]
Correct Answer: B
Solution :
\[\therefore \] \[r=5\,cm\] and \[l=3.5\,cm\] \[\therefore \] \[A=\frac{1}{2}lr=\frac{1}{2}\times 3.5\times 5\] \[=8.75\,c{{m}^{2}}\]
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