Question

Find two parallel lines of a tapezium whose area is 1.6m square, altitude is 10dm and one of the parallel sides is longer than the other by 8dm.


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Answer 1

Answer: PARALLEL SIDES ARE 1.2M AND 2M

Step-by-step explanation:-

Given area of trapezium = 1.6 sq m

Altitude, h = 10 dm = 1 m

Let one of the parallel sides be x then the other side will be (x + 0.8) m

Recall that area of trapezium, A = (1/2) x h x (a + b)

1.6 = (1/2) × 1 × (x + x + 0.8)

3.2 = 2x + 0.8

2x = 3.2 - 0.8 = 2.4

Therefore, x = 1.2 m

(x + 0.8) = 2 m

Thus the parallel sides are 1.2m and 2m .

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