The length of longest rod that can be placed in a room of dimensions length 20 m,width 16 m and 12 m high
a) 20 m b) 16.4 m c) 48 m d) 28.2 m
Given: length, l=20 m,
width, b= 16 m
and height, h=12 m
length of longest rod=length of a diagonal
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