Question

4) If the dimensions of a room are I, b, h respectively, then the area of its four walls is
(i) 2h(1 + b)
(ii) 2(b + h)
(iii) 2b(1 + h)
(iv) none of these​

Answer 1

Answer:

(iv)none of these

Step-by-step explanation:

2(l+b)h