find the area of four walls of a room if its length 12 metres breadth that 10 metres and height 7.5 m
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pin four wall of a room are
l=12m
b=10m
h=7.5m
the area of four wall of room
2(l+b)h
2*12+10*7.5 =330cm
l=12m
b=10m
h=7.5m
the area of four wall of room
2(l+b)h
2*12+10*7.5 =330cm
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