Question

Q9. Formula for Surface Area of four walls of a cuboidal room

O I+b+h

O2(I+b)xh

O2(I+h)xb

O 2(h+b)​

Answer 1

Answer:

your options are wrong

the answer is 2(lb + bh + hl)

Answer 2

Answer:

answer- 2(l+b)h dimension of a cuboidal room are 8.6m x 5.4m x 4m