A) 8 m
B) 18 m
C) 30 m
D) 36 m
Correct Answer: D
Solution :
: Area of rectangular floor \[=80\,sq.\,m\] Length\[\times \] Breadth = 80 sq. m \[\Rightarrow \] \[10\times \]Breadth \[=80\text{ }sq.\text{ }m\] \[\Rightarrow \] Breadth = 8 m \[\therefore \] Perimeter = 2(Length + Breadth) \[=2(10+8)=2\times 18=36\,m\]You need to login to perform this action.
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