A) 25 m
B) 20 m
C) 62 m
D) 30 m
Correct Answer: D
Solution :
Let the breadth of rectangular plot be \[x\] metre then the area is \[=x\times 4.5x=200\,sqm\] sqm. \[4.5{{x}^{2}}=200\,\,{{m}^{2}}\] \[{{x}^{2}}=\frac{200}{4.5}\] \[x=\sqrt{\frac{400}{9}}=\frac{20}{3}\] Then \[length=\frac{20}{3}\times \frac{9}{2}=30\,\,m\]You need to login to perform this action.
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