A) 34.16 m
B) 50 m
C) 34.16 cm
D) 50 cm
Correct Answer: D
Solution :
Length of the rectangular hall \[=0.4\,m=40\,cm.\] Breadth of the rectangular hall \[=30\,cm.\] Distance between two opposite corners \[=\sqrt{{{l}^{2}}+{{b}^{2}}}=\sqrt{{{40}^{2}}+{{30}^{2}}}=\sqrt{1600+900}\] \[=\sqrt{2500}=50\,cm.\]You need to login to perform this action.
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