Respuesta:
No lo sé.
Bromeaba, aquí esta la respuesta:
Su radio mide 7.15 cm
Explicación paso a paso:
A= 4 x [tex]\pi[/tex] x [tex]r^{2}[/tex]
642,26 [tex]cm^{2}[/tex] = 4 x [tex]\pi[/tex] x [tex]r^{2}[/tex]
642,26 [tex]cm^{2}[/tex] = 12,56 x [tex]r^{2}[/tex]
[tex]\frac{642,26cm^{2} }{12,56}[/tex] = [tex]r^{2}[/tex]
51,14 [tex]cm^{2}[/tex] = [tex]r^{2}[/tex]
7.15 cm = r
Espero que te sirva :)
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Respuesta:
No lo sé.
Bromeaba, aquí esta la respuesta:
Su radio mide 7.15 cm
Explicación paso a paso:
A= 4 x [tex]\pi[/tex] x [tex]r^{2}[/tex]
642,26 [tex]cm^{2}[/tex] = 4 x [tex]\pi[/tex] x [tex]r^{2}[/tex]
642,26 [tex]cm^{2}[/tex] = 12,56 x [tex]r^{2}[/tex]
[tex]\frac{642,26cm^{2} }{12,56}[/tex] = [tex]r^{2}[/tex]
51,14 [tex]cm^{2}[/tex] = [tex]r^{2}[/tex]
7.15 cm = r
Espero que te sirva :)