Question

Area of tarpezium is 160sq. Cm. Lenghts of parallel sides are in ratio 1:3.if smaller of the parallel sides is 10 cm in length, then find the perpendicular distance between them.

Answer 1

let sides be x and 3x
shorter side=x=10cm
longer side=3x=30cm
Area=160
1/2*(10+30)*h=160
20*h=160
h=160/20=8cm
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Answer 2

Length will be 8cm...