Question 1172886
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Hi  
Pythagorean Theorem
 a^2 + b^2 = c^2
(a  and b being the sides of the square field)
7^2 + 7^2 = 98km^2
c^2 = 98km^2
c = 7√2 Km   the length of the pipeline built diagonally across a square field
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