Question

a room is 9 meter long 8 meter broad and 6.5 meter height it has one door dimension (2meter×1.5 meter) and four windows each of dimension(1.5 meter× 1 meter) find the area of wall to white washed​

Answer 1

Answer:

area of four walls=2(l+b)*h

2(9+8)*6.5=34*6.5=221m²

area of door=3*1.5=4.5m²

area of Windows=3*(1*1.5)=3*1.5=4.5m²

area of walls to be whitewashed=221-4.5-4.5=221-9=212m²

cost of whitewashing=212*3.75=Rs.795

hope it helps