Question

Find the surface area of a box open from the top whose shape is like a cube of edge 30 cm.​

Answer 1

Answer:

Step-by-step explanation:

Given, edge of box = 30 cm

It is also said that the box is shaped like a cube

So it's surface area = surface area or cube = 6a²

But it is also mentioned that the top of the box is open,

Surface area of box

= 6a²- a²

= 5a²

= 5 × (36)²

= 5 × 1296

= 6480 cm²

Answer :

Surface area of box = 6480 cm²