walk to be x, form an equation in x and surve 5 A rectangular room is 6 m long, 4-8 m wide and 3.5 m high. Find the inner surta area of the four walls. 41 metres in length and 22.5 metres in width
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The area of the four walls will be given by: 2( length x height) + 2(width x height) = 2(6m x 3.5 m) + 2( 4.8m x 3.5m) = 2(21 m²) + 2(16.8m²) =42m² + 33.6m² = 75.6m². The inner surface area of the four walls is 75.6m
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