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Mohan wants to buy a trapezium shaped field. its side along the river is parallel to and twice the side along the road. If the area of this field is 10500 m sq and the perpendicular distance between the two parallel sides is 100 m , find the length of the side along the river

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Let;the;lenght;of;the;side;along;road;is;x;and;length;of;the;side;along;river;is;2x\*Area ;of;the;field;is;10500;m^2\*perpendicular;distance,(h);between;two;parallel;sides;is;100;m\* Area;of;trapezium;=frac12	imes h	imes (sum; of; two; parallel; sides)\*frac12	imes (100)	imes (x+2x)=10500\* 150	imes x=10500\*Rightarrow x = frac10500150\* Rightarrow x = 70\*Hence,;the;length;of;the;side;along;river;is;2	imes x = 140;m

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Deependra Verma

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