How long is a pipeline that runs diagonally across a square field 6 kilometers on a side?

Answer: the square root of 72 which is approximately 8.5

Step-by-step explanation:

When draw a line diagonally in a square you get 2 right triangles so you can do pathogream theorem on them so a squared plus b squared equals c squared. In this case 6^2 + 6^2 = c^2. By solving you get the answer