Open area of a house is in the shape of a trapezium with parallel sides in the ratio 3:5. Its area is 50 m square and the perpendicular distance between the parallel sides is 5 metres. Find the length of two parallel sides of that open area.
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let the sides 3x and 4x
area of parallelogram=1/2(sum of parallel sides )distance between them
=1/2×(4x+3x)5
=1/2×7x×5=50
1/2×7x×=10
7x=20
x=20/7=2.85m
side1=3×x
=8.55
side2=55x
=14.25
area of parallelogram=1/2(sum of parallel sides )distance between them
=1/2×(4x+3x)5
=1/2×7x×5=50
1/2×7x×=10
7x=20
x=20/7=2.85m
side1=3×x
=8.55
side2=55x
=14.25
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