the walls and ceiling of a room are to be plastered the Length breadth and height of the form of 4.5m,3mand 350 CM respectively find the cost of plastering and the room at the rate of rupees 12 per metre square
Answers
Answered by
2
Length = 4m
Breadth = 3m
Height = 350cm=3.5m
Area that has to be plastered=total surface area of room-area if floor
=2(lb +bh+hl)-(l*b)
=2(4*3+3*3.5+3.5*4)-4*3
=2(12+10.5+14)-12
=2(36.5)-12
=73-12
=61 sq m
Breadth = 3m
Height = 350cm=3.5m
Area that has to be plastered=total surface area of room-area if floor
=2(lb +bh+hl)-(l*b)
=2(4*3+3*3.5+3.5*4)-4*3
=2(12+10.5+14)-12
=2(36.5)-12
=73-12
=61 sq m
Similar questions