Question

A room 9 metre long 6 m broad and 3.6 M high has wonder 1.4 m by 2 and 2 Windows 8 1.6 m by 75 cm the area of four walls find excluding door and Windows

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

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Step-by-step explanation: