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The perimeter of the floor of a room is 18 m and its height is 3 m. What is the areaof the room?(a) 21 m2(b) 42 m2(c) 54 m2(d) 108 m2 |
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Answer» Perimeter of rectangle =2(l+b) 18=2(l+b) Then, Area of four walls =2(l+b) *h Area of four walls=18*3 Area of four walls =54m² |
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