the parallel sides of trapezium are in the ratio 7:11 and the distance between them is 35 cm . if the area of trapezium is 1260 cm sq find the length of parallel sides
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Let the length of the parallel sides be (7x)cm and (11x)cm
Area of the trapezium=(1/2)×(sum of parallel sides)×(distance between them)
306 cm²=(1/2)×(7x+11x)×17
306=(1/2)×(18x)×17
306=153x ⇒x=306/153=2 cm
Length of the parallel sides=7x=7×2=14 cm
11x=11×2=22 cm
solve similarly,,
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