Water hydro statics and presure

[Robin Murphy]

hey guys. bellow is an upside down cone frustum with the dimensions given bellow where the green R is the radius of the larger circle and the blue r is the radius of the smaller circle and the red h to be the height of the object

knowing that volume of this shape is calculated as (πh/3)×(R^2+Rr+r^2) = 21.99114858 m^3
if this object were to be filled with water then what would be the pressure of the water at the bottom of the object?

 

[SteamKing]

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[haruspex]

hey guys. bellow is an upside down cone frustum with the dimensions given bellow where the green R is the radius of the larger circle and the blue r is the radius of the smaller circle and the red h to be the height of the object
View attachment 81182
knowing that volume of this shape is calculated as (πh/3)×(R^2+Rr+r^2) = 21.99114858 m^3
if this object were to be filled with water then what would be the pressure of the water at the bottom of the object?

What equations and principles have you been taught relating to pressure in a liquid?