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    Question

    The ratio of the length of the parallel sides of a

    trapezium is 3:2. The shortest distance between them is 15cm. If the area of the trapezium is 450cm2, the sum of the length of the parallel sides is.
    A 46cm Correct Answer Incorrect Answer
    B 52cm Correct Answer Incorrect Answer
    C 60cm Correct Answer Incorrect Answer
    D 68cm Correct Answer Incorrect Answer

    Solution

    Let the length of the parallel sides is 3x and 2x. Area of the trapezium = ½ (length of parallel sides) ×h 450 = ½(3x+2x) ×15 5x= 60 X = 12 sum of the length of the parallel sides is =3x+2x =5x =60cm

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