Question
The area of a field in the shape of a trapezium measures 1440 `m^2` . the perpendicular distance between its parallel sides is 24 m. If the ratio of the parallel sides is 5 : 3 the length of the longer parallel side is :
Answer: Option C
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Area of field = `[1/2 xx (5x + 3x) xx 24] m^2` = ` 96x m^2`
`:.` ` 96x = 1440`
`hArr x = 1440/96`
`hArr x = 15`
Hence , the length of longer parallel side = `(5x) = 75 m`
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