Respuestas

  • Usuario de Brainly
2014-02-19T02:36:06+01:00
Radio = 3m
diametro = 2r
diametro = 2*3=6cm
A = π *r^2  π=3,1416
A = 3,1416*3*3
A =28,2744cm^2

longuitud = 2π*r
L = 2* 3,1416 *3
L =18,84cm