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7 December, 19:29

The area of a trapezium is 34 cm and the length one of its parallel side is

10.4cm and its height is 4cm. Find the length of the other parallel side.

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  1. 7 December, 20:59
    0
    6.6 cm.

    Step-by-step explanation:

    The area of a trapezium A = (h/2) (a + b) where h = the height, a and b are the length of the parallel sides.

    So substituting the given values in this formula:

    34 = (4/2) (10.4 + b)

    34 = 2 (10.4 + b

    34 = 20.8 + 2b

    2b = 34 - 20.8 = 13.2

    b = 6.6 cm.
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