A) \[1,080\,{{m}^{2}}\]
B) \[640\,{{m}^{2}}\]
C) \[1,620\,{{m}^{2}}\]
D) \[2,160\,{{m}^{2}}\]
Correct Answer: A
Solution :
Let breadth\[=b\,m\] Then, length\[=\frac{6}{5}b\,m\] \[\because \] Perimeter\[=132\] \[\therefore \] \[2(b+\frac{6}{5}b)=132\Rightarrow b=30\,m\] Hence, length\[=\frac{6}{5}\times 30=36m\] And area\[=\]length\[\times \]breadth \[=36\times 30=1080\,{{m}^{2}}.\]You need to login to perform this action.
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