Question

The area of a trapezium is 850 sq. cm. one of the parallel sides is 64 cm and the perpendicular distance between the parallel sides is 17cm. find the length of other parallel side.

Answer 1

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Let the length of other parallel side be x.
Area of trapezium=1/2(Sum of parallel sides)*height
Area of trapezium given=850sq.cm
A.T.O.
1/2(64+x)*17=850
(64+x)*8.5=850
544.0+8.5x=850
8.5x=850-544
8.5x=306
x=306/1/85/10
x=3060/85
x=36cm
Hence, other parallel side of trapezium = 36cm