Question

A room 16m long, 9 m wide and 3 m height. It has 2 doors,each of dimensions (2m*1.5m) and 3 windows each of dimensions (1.6m*75cm).Find the cost of painting the walls of room inside at the rate of rs. 5 per m².​

Answer 1

Step-by-step explanation:

2 doors,each of dimensions (2m*1.5m)

area of doors=3m² ×2=6m²

3 windows each of dimensions (1.6m*75cm)

area of windows =3.6m²

area of 4 walls=2×h(l+b)

=2×3(16+9)

=150m²

area of walls for painting=150-(6+3.6)=140.4m²

cost=140.4×5=702rs