A field is in the shape of a trapezium. One of it's parallel sides is twice the other parallel side and distance between them is 100m.if area of the field is 10500m2,find the length of the parallel side?
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let the one side of the trapezium be x
area of trapezium = 1/2 × sum of parallel side × height
10500m2 = 1/2 × (x+2x) × 100
10500m2 = 3x × 50
10500/50= 3x
210= 3x
210/3 = x
70 = x
140 = 2x
area of trapezium = 1/2 × sum of parallel side × height
10500m2 = 1/2 × (x+2x) × 100
10500m2 = 3x × 50
10500/50= 3x
210= 3x
210/3 = x
70 = x
140 = 2x
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