Question

10. The length, breadth and height of a wooden pillar are 8.4 m, 4.5 m and 4 m respectively
the weight of the wood is 30
kg/m ', find the weight of the pillar.
11. What will be the volume of a cube, the area of whose nno foon in if
29​

Answer 1

The four wall of area is -2(8.4+4.5)4 =103.2 and the weight of wood is 30 kg/m .So the weight of the pillar is 3.44