Pregunta de entrevista de Microsoft

Why is a Manhole cover round?

Respuestas de entrevistas

Anónimo

2 jul 2012

It is the only shape that by design cannot fall into itself.

Anónimo

5 feb 2013

What about an equilateral triangle. That also cannot fall in on itself.

Anónimo

5 feb 2013

Sorry, the Reuleaux triangle