A) 17 m
B) 26 m
C) 36 m
D) 20 m
Correct Answer: D
Solution :
Diagonal of the hall = \[\sqrt{{{l}^{2}}+{{b}^{2}}+{{h}^{2}}}\] \[=\sqrt{{{10}^{2}}+{{12}^{2}}+{{14}^{2}}}\] \[=\sqrt{100+144+196}\] \[=\sqrt{400}=20m\]You need to login to perform this action.
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