math

The parallel sides of a trapezium are 65 m and 40m. non parallel sides are 39m and 56m. find the area of the trapezium.

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  1. Draw the figure. If the height is h, then you have a 40-by-h rectangle in the center, with extra lengths of x and 25-x on the longer base.

    x^2+h^2 = 56^2
    (25-x)^2+h^2 = 39^2

    x^2-56^2 = (25-x)^2 - 39^2
    x = 224/5

    so, h^2 = 56^2-x^2 = 28224/25
    h = 168/5

    so, the area is (40+65)/2 * 168/5 = 1764

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  2. Really appreciate work

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  3. it's helpfull

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  4. Good answer but my answer is come wrong

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  5. Ok but not good because my ans is so easy and simple and your ans is different from me

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  6. It has been done in very hard method

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  7. Not understand what you have done ...

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  8. This is the exact question, which I wanted.

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