Explicación paso a paso:
28.26 cm^2 = 3.14 r^2
28.26 cm^2/ 3.14 = r^2
9 cm^2 = r^2
r = √(9 cm^2)
r = 3 cm
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Explicación paso a paso:
28.26 cm^2 = 3.14 r^2
28.26 cm^2/ 3.14 = r^2
9 cm^2 = r^2
r = √(9 cm^2)
r = 3 cm