A) 60 cm
B) 80 cm
C) 44 cm
D) None of these
Correct Answer: A
Solution :
[a] \[\because \]Length of rectangle \[=25\,cm\] \[\therefore \]Breadth of rectangle \[=25-10=15\,cm\] Area of rectangle \[=25\times 15=375\,c{{m}^{2}}\] \[\therefore \]Area of square\[=\frac{3}{5}\times 375=225\,c{{m}^{2}}\] \[\Rightarrow \]Side of square \[=\sqrt{225}=15\,cm\] Hence, perimeter of square \[=4\times side\,=4\times 15=60\,cm\] |
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