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 the this field is 10200 meter square and perpendicular distance between the two parallel sides is 100 meter, find the length of the side along the river.
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As one of the parallel sides is double of the other side)
Side 1 = 70
Side 2 = 140 This is the side near the river
Side 1 = 70
Side 2 = 140 This is the side near the river
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the formula for trepezium is 1/2{A+B}×h
a.t.q 1/2{a+b}×h=10200
a.t.q one parallel side is twice of other.
1/2{a+3a}×100=10200
3a×100/2=10200
300a/2=10200
150a=10200
a=10200/150
a=68
a.t.q 1/2{a+b}×h=10200
a.t.q one parallel side is twice of other.
1/2{a+3a}×100=10200
3a×100/2=10200
300a/2=10200
150a=10200
a=10200/150
a=68
shsawatanand30:
short mistakes in answer . donot follow it
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