Question

can crop circles be square?
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Answer 1

Answer:

The circles varied in diameter up to a few millionths of a meter, and in the center of each was a perfect square. The mysterious patterns were reminiscent of nothing so much as so‑called “alien” crop circles. Until recently the cause of these strange formations remained a mystery

Answer 2

Answer:

Yes it can be squares.

$\pink{J-hope \: it \: helps.}$