Question

the area of a trapezium is 180 cm ^2 and it's height is 9 cm . If one of the parallel sides is longer than the other by 6 cm, find the two parallel​

Answer 1

Answer:

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Step-by-step explanation:

Let the first parallel side be X

and second be X+6

Area of trapezium =180cm²

According to the question

$\frac{1}{2} (x + x + 6) \times 9 = 180 \\ \\ \frac{1}{2} \times (2x + 6) = 20 \\ \\ x + 3 = 20 \\ \\ x = 17$

So first side = 17cm

Second side =17+9=23cm

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