Answer:
length of a room=10m
breadth of room=8m
height of room=5m
total surface area of 2(lb+bh+hl)
2*(10*8+8*5+5*10)
2*(80+40+50)
2(120+50)
2*170
340
Area of wall=l*b
340*4
1360 cm sq
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Answer:
length of a room=10m
breadth of room=8m
height of room=5m
total surface area of 2(lb+bh+hl)
2*(10*8+8*5+5*10)
2*(80+40+50)
2(120+50)
2*170
340
Area of wall=l*b
340*4
1360 cm sq