Respuesta:
A=π
Explicación paso a paso:
P = 2πr
A = r²π
P = π
2πr = π
2r = π/π
r = 1
A = 1²π
A = π
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Respuesta:
A=π
Explicación paso a paso:
P = 2πr
A = r²π
P = π
2πr = π
2r = π/π
r = 1
A = 1²π
A = π