Question

dimension of walls are 20,15,12 meter. Area of 4 walls to be painted is

Answer 1

length of wall=. 20m

breadth of wall=15m

height of wall=12m

Lateral surface area of wall =2(l+b)h

= 2(20+15)12

=24× 35

$840{m}^{2}$

answer is 840 msq