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by jpindar 3048 days ago
This is also true of a triangle, and indeed there are triangular manholes.
1 comments
sobani 3047 days ago
Aren't the altitudes/heights of a triangle shorter than its sides?

The height of an equilateral triangle is about 87% of the length of one of its sides.

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jpindar 3047 days ago
True. Whether they fit through the hole depends on how thick they are.
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