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16 October, 02:46

The Blackburn family has a square field where they keep their cattle. The area of the field is 40,000ft squared, and mr Blackburn wants to put a fence diagonally through the field. What should the length of the fence be?

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  1. 16 October, 04:42
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    Area of a square = a^2

    40000=a^2

    a=200 inch

    Now if u can imagine a square shape with side of 200 inch each. it makes right angles

    so use pythagorean theorm

    c^2=a^2+b^2

    c^2 = (200) ^2 + (200) ^2

    c=282.84 inch

    ength of a fence is 282.84 inch
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