Question

The area of trapezium is 352 cm cube and the distance between its parallel sides is 16 cm. If one of the parallel sides is of length 25 cm , find the length of the other.

Answer 1

Area of trapezium=1/2× (sum of parallel sides) × height
$352 = \frac{1}{2} \times (25 + x) \times 16 \\ \frac{352}{16} = \frac{1}{2} \times (25 + x) \\ \frac{22}{2} = 25 + x \\ 11 = 25 + x \\ x = 11 - 25 \\ x = - 14$
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