The perimeter of an ceàrnag air-loidhne casan

Air casan a thèid do chuideachadh a bhith a ' lorg an perimeter of a square.
The perimeter of an ceàrnag an t-suim nan ceithir taobhan de flat equilateral geometric cumadh.

Cuir a-steach an taobh a ' bhaile.
a:

Mar thoradh air:
P =