Question

1. One of the parallel sides of a trapezium is double the other and its height is 24cm. If the area of a trapezium is 360cm square , find the length of parallel sides.

Answer 1

let the parallel sides be x&2x Area =360cm² , =1/2(x+2x)*24=360 =3x*12=360 , =x=360/12*3 x=10cm &2x=2*10=20cm

Answer 2

let,one of the side be x

so, other side is 2x

area=360cm square

area of trapezium=1/2h(a+b)

1/2*24(x+2x)=360

12(3x)=360

36x=360

x=10

one of the side is 10cm

other is 20cm

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