A) 65 metre
B) 28 metre
C) 32 metre
D) 56 metre
Correct Answer: D
Solution :
Let, the length and breadth of rectangle are 7x and 4x meters respectively. \[\therefore \] Perimeter of rectangle \[=\,\,2(l+b)\] \[\Rightarrow \,\,\,2(7x+4x)=176\Rightarrow 22x=176\] \[\therefore \,\,\,x=\frac{176}{22}=8\] \[\therefore \] Length of rectangle \[=8\times 7=\underline{\mathbf{56m}}\]You need to login to perform this action.
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