the perimeter of a floor room is 45m and its height is is 3.5m. find the area of 4 walls
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Perimeter of Base = 45
2(L+B) = 45 ------------(1)
Height of room = 3.5 m
Area of four walls = 2(L+B) * H
= 45 * 3.5
= 157.5 cm^2
2(L+B) = 45 ------------(1)
Height of room = 3.5 m
Area of four walls = 2(L+B) * H
= 45 * 3.5
= 157.5 cm^2
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