the area of trapezium is 210 cm2 the ratio between the length of its parallel sides is 3:4 if its height is6 cm find the length of both the parallel sides
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37
i think this will be ans....
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diachaudhary06:
Correct me if I am wrong but shouldn't it be 2x and 3x?
ans is 20 and 30 cm
Answered by
27
let the parallel side be x
therefore one side is 3x and another is 4x
now,
1÷2×h×(d1 +d2 )
1÷2×6×(3x+4x)=210
210×2÷6=7x
70=7x
x=10
sides are 30cm and 40 cm
therefore one side is 3x and another is 4x
now,
1÷2×h×(d1 +d2 )
1÷2×6×(3x+4x)=210
210×2÷6=7x
70=7x
x=10
sides are 30cm and 40 cm
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