Question

The area of four walls of the room is
a) 2 (lb + bh + hl) ,(b) 2l (h + b), (c) 2(lb x bh x hl) , (d) 2h (l + b)

Answer 1

Answer:

(d)

Step-by-step explanation:

2h (l+b)

Answer 2

Answer:

Step-by-step explanation:

answer is (d)=2h(l+b)...which we called as CSA(curved surface area)..