Find the length of the longest perch that can be placed in a hall 12 m – McqOptions

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1.	Find the length of the longest perch that can be placed in a hall 12 m long, 8 m broad and 9m high.
A.	17 m
B.	20 m
C.	23 m
D.	25 m
Answer» B. 20 m

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