DieselShip's Online Content Library

Q9. Fig Q9 shows the area of an aluminium plate which is 5 mm thick.

It has the form of a trapezium with the major segment of a circle removed.

AB = CD = 300 mm, BC = EF = 800 mm

Angle AEF = Angle EFD = 110° and the maximum depth of the major segment is 700 mm.

Calculate EACH of the following:

(a) the area of the plate; (14)

(b) the mass of the plate. (2)

Note: density of the aluminium is 2700 kg/m³