# Manholes round riddle

Why are manholes round?

SherlockHolmes Expert Asked on 5th November 2018 in

1)   Circular covers don’t need to be rotated or aligned when placing them on the opening . but if you take an example of triangular covers you have got to slightly align in a                particular way to fit in the opening.
2)   Circular covers never fall inside their opening..but where as if taken an example of square covers , it could fall inside if it is inserted diagonally.

PANKAJ Genius Answered on 5th November 2018.

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