A hollow frustum of a pyramid with following shape and main particulars floats in water: Psw=1.025 t/m, Pbody=7,5 t/m, t=2.0 mm Check if it is stable or not! side 6.40 m side 6.40 m depth of the hole 4.00 m side 3.60 m side 3.60 m = = [A + A2 + A * A] V = volume of frustum [m] h = height of frustum [m] A = area of upper base [m2] A = area of lower base [m2]