A) 5.75m
B) 6.2m
C) 5.5m
D) 6m
E) 6.5m
Correct Answer: C
Solution :
Let the height of the room be h meters. \[\therefore \] Area of the four walls = 2h(l + b) = 2h(9 +6) = 30h Now, \[30h=\frac{2557.5}{15.5}=165\] \[\therefore h=\frac{165}{30}=5.5m\]You need to login to perform this action.
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