Question

The dimensions of a rectangular room are l, b and h. what is the area of its four walls?​

Answer 1

Answer:

2(l+b)h ..................

CSA of the cuboidal room ............

Answer 2

Answer:

since it is a rectangular structure with height as one of its dimensions it is actually a cuboid..

therefore ,

area of cuboid = 2(lb + bh + lh)

good day