Respuesta :

[tex]2 \pi r= \pi r^2[/tex]

[tex]2r= r^2[/tex]

[tex]r^2 - 2r= 0[/tex]

[tex]r(r - 2) = 0[/tex]

[tex]r = 0 \text { (rejected )} \ or \ r = 2[/tex]

Answer: radius = 2 units

Otras preguntas