Respuesta:
5 metros
Explicación paso a paso:
Area = pi. r²
78,5 = (3,14) . r²
78,5/3,14 = r²
25 = r²
5 = r
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Verified answer
Respuesta:
5 metros
Explicación paso a paso:
Area = pi. r²
78,5 = (3,14) . r²
78,5/3,14 = r²
25 = r²
5 = r