Si no me equivoco la fórmula es 2πr
es decir:
2πr= 2·3,14·3 = 6,28·3 = 18,84 cm
R: el perímetro es 18,84cm
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Si no me equivoco la fórmula es 2πr
es decir:
2πr= 2·3,14·3 = 6,28·3 = 18,84 cm
R: el perímetro es 18,84cm