A) 7.7 m
B) 3.5 m
C) 6.77 m
D) 5.4 m
Correct Answer: B
Solution :
Let h be the height of the room in meter, then Area of four walls = 2(length + breadth)\[\times \]h \[77=2\left( 7.5+3.5 \right)\times h\] \[\Rightarrow \,\,h=\frac{77}{2\times 11}\Rightarrow h=3.5\,m.\]You need to login to perform this action.
You will be redirected in
3 sec