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A região da figura é limitada por três semicircunferências com centros no segmento tracejado, que mede 12
cm. O perimetro, em centimetro, e a área dessa região, em centimetro quadrado, são respectivamente iguais
a:
Use: π = 3
A) 54 e 72.
B) 36 e 36.
C) 36 e 72.
D) 72 e 36.
E) 72 e 72.
