the floor of rectangle hall has perimeter 250 m if the cost of painting the four walls @ rupees 10 per metre square is rupees 15000 find the height of the hall
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the height of the hall is 6 m.
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COST OF PAINTING THE FOUR WALLS =15000
COST OF PAINTING PER SQUARE METRE =10
AREA OF FOUR WALLS PAINTED =15000/10=1500M^2
WE KNOW AREA OF FOUR WALLS PAINTED -2(L+B)H
=250H=1500
H=1500/250
H=6
COST OF PAINTING PER SQUARE METRE =10
AREA OF FOUR WALLS PAINTED =15000/10=1500M^2
WE KNOW AREA OF FOUR WALLS PAINTED -2(L+B)H
=250H=1500
H=1500/250
H=6
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