area of a Trapezium is 405CM square its parallel sides are in ratio 4:5 and distance between them is 18 centimetre find the length of each of the parallel sides
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Let one side be 4x
Let the other side be 5x
Area of Trapezium = 1/2 (a+b) x h
1/2 (4x+5x)
810 / 18 = 9x
810 / 18 x 9
Answer = 5
4x = 4 x 5 = 20 cm
5x = 5 x 5 = 25 cm
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