Question

1.)A room is 8 m long, 6 m broad and 5.5 m high. It has one door of dimensions 2.5 m by 2 m and 2
windows each of dimensions 1.5 m by 1 m. Find the cost of whitewashing the walls at 23.20 per sq. m.​

Answer 1

Step-by-step explanation:

Answer

area of walls to be whitewashed = area of walls − area of doors and Windows

=2h(l+b)−2×2.5−1.5×2

264−5−3

=256m

2

cost of whitewash =256×3.2

=819.2rs