Question

You plan to paint the outside of this grave including the roof which calculation will help you best decide how much paint you will need omit the floor of the grave in your calculation

Answer 1

Answer

Lateral surface area of the figure+area of roof of the figure

We take an example of cuboidial room to understood it

dimension

lenghth=12m

width=18m

height=8m

for example=lateral surface of cuboid+area of roof of the cuboidial room

                    =2h(l+b)+(l*b)

                    =2*8(12+18)+(12*18)

                    =16*30+216

                    =480+216

                    =696m^2