Find the two parallel side of a trapezium whose area is 1.6 m^2 , altitude is 10 dm and one of the parallel sides is longer than the other by 8 dm .
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one side be 0.8x
other parallel side be x
convert dm to m
1.6=1/2×(0.8x+x)×1
17.77
other parallel side be x
convert dm to m
1.6=1/2×(0.8x+x)×1
17.77
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