A) 9 metre
B) 12 metre
C) 18 metre
D) 6 metre
Correct Answer: B
Solution :
Length of room \[=\sqrt{48}\] \[=4\sqrt{3}\] metre \[\therefore \] Diagonal \[=\sqrt{3\,\times {{(4\sqrt{3})}^{2}}}\] \[=\sqrt{3\times 16\times 3}=12\] metreYou need to login to perform this action.
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