The area of trapezium is 180 cm2 and it's height is 9 CM. if one of the parallel side is shorter than the other by 6 cm .then find the parallel side of the trapezium
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height of trapezium =9 cm one of other side of trapezium is longer than 6 cm one is 6cm and other is x+6Area of trapezium =1÷2 (sum of parallel sides )×height 1÷2 ( x + x+6) ×9 =180 1÷2 (2x+6)×9= 180x+3×9=180 x+3=180÷9x+3=20x=20-3 x=17one side is x = 17 cmother side x+6 =17+6=23cm.....
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