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Fence Problem
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A man wishes to fence in a perfectly square field which is to contain just as many acres as there are rails in the required fence. 
Each hurdle, or portion of fence, is seven rails high, and two lengths would extend one pole (16½ ft.): that is to say, there are fourteen rails to the pole, lineal measure. 

Now, what must be the size of the field?

See answer





Math Genius