A right prism that has an equilateral triangular base with length \(a=50cm\) is placed
in a horizontal slit between two tables, so that one of the side faces is vertical. How small can the width \(d\) of the slit be made in \( meters\) before the prism falls out of the slit.
There is no friction between the prism and the tables and the prism is made of a
The edges of the slit are parallel
This was a past IPHO problem.
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