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5
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Part of
2019 Stanford Mathematics Tournament
Problems
(1)
SMT 2019 Geometry #5 prism
Source:
8/8/2023
The bases of a right hexagonal prism are regular hexagons of side length
s
>
0
s > 0
s
>
0
, and the prism has height
h
h
h
. The prism contains some water, and when it is placed on a flat surface with a hexagonal face on the bottom, the water has depth
s
3
4
\frac{s\sqrt3}{4}
4
s
3
. The water depth doesn’t change when the prism is turned so that a rectangular face is on the bottom. Compute
h
s
\frac{h}{s}
s
h
.
geometry
3D geometry
prism