Question

the area of a trapezium is 180sq m and its height is 12cm. if one of the parallel side is double the other find the lengths of its parallel sides​

Answer 1

Answer:

area of trapezium= ½(sum of parallel sides×height

½(x+2x)(12)=180

3x=30

x=30/3=10

one side=x=10c.m.

another side=2x=2(10)=20c.m.

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Answer 2

Answer: The two parallel sides of trapezium are 10 m and 20 m

Step-by-step explanation:

Let one of the parallel side be x metres

And the other parallel side be y metres .

Therefore, x = 2y

Height = h = 12 cm = 0.12 m

Area of trapezium = 180 sq. m

1/2×(sum of parallel sides)×h = 180

1/2(x+2y)×0.12= 180