The area of 4 walls of a room is 77msquare .The length and breadth of the room are 7.5 and 3.5 m respectively find the height of the room .
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area of 4wall =2h(l+b)
77=2h(7.5+3.5)
77=2h*11
7=2h
h=3.5m
77=2h(7.5+3.5)
77=2h*11
7=2h
h=3.5m
shahabuddinsiddique:
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HI !
LSA = Area of four walls = 77 m²
2(l + b) h = 77
l = 7.5 m
b = 3.5 m
2(7.5+3.5)h = 77
22 h = 77
h = 77/22
h = 3.5 cm
Height of the room is 3.5 cm
LSA = Area of four walls = 77 m²
2(l + b) h = 77
l = 7.5 m
b = 3.5 m
2(7.5+3.5)h = 77
22 h = 77
h = 77/22
h = 3.5 cm
Height of the room is 3.5 cm
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