What size cop would someone with a head circumference of 570 mm need

grab rope, tie a loop-de-loop, put it around ur neck, now jump while its tied to a high place. now your shoes are cool.

step-by-step explanation:

you can first factor out the n to get n(1+5). we know that 1+5 is 6, so we just have 6n.

3 3 6, because in every triangle the longer side is always shorter than the sum of the other two