a man constructed a room . the area of the four walls of a room is 57.4m^2
. if the height of the room is 5m long and 3.2m wide , find the volume of the room
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we need to find breadth
area of 4 walls = 2h(l+b)
57.4 = 2×5(3.2+b)
57.4 = 10 × 3.2 + b
57.4÷10 = 3.2+b
5.74 = 3.2+ b
5.74-3.2=b
2.54 metres = b
volume =l×b×h
= 3.2×2.54×5
= 40.64 cubic metres
therefore volume is 40.64 cubic metres
area of 4 walls = 2h(l+b)
57.4 = 2×5(3.2+b)
57.4 = 10 × 3.2 + b
57.4÷10 = 3.2+b
5.74 = 3.2+ b
5.74-3.2=b
2.54 metres = b
volume =l×b×h
= 3.2×2.54×5
= 40.64 cubic metres
therefore volume is 40.64 cubic metres
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