trapezoidal prism मीनिंग इन हिंदी

So what I need is the moment of inertia of a trapezoidal prism.
The building takes the approximate shape of an asymmetric trapezoidal prism ( the apex is located to provide clearance above the highest diving board ), and from the outside the roof resembles a wave.
The structure, 20 m ( 65.6 ft ) high, is made up of bronze sculptures resting on an obelisk-shaped stone pedestal, which in turn stands atop four trapezoidal prisms linked to each other by arcs.