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Four cows are tethered at four corners of a square plot of side 50m, so that they just cannot reach one another. What area will be left un-grazed?

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If you open math book you will find a lot of mathematical questions but
youshould have solve this question.
It is from class 10 rd sharma chapter 15.4 mensuration .

In this question we have to find the area that will be left un-grazed
given that Four cows are tethered at four corners of a square plot of
side 50m, so that they just cannot reach one another.

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1 Answer

  1. Given,

    Side of square plot = 50 m

    Radius of a quadrant = 25 m

    So, we can tell

    Area of plot left un-grazed = Area of the plot – 4 x (area of a quadrant)

    = Side2 – 4 x (¼ x πr2)

    = 502 – 22/7 x (25)2

    = 2500 – 1964.28

    = 535.72 m2

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