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area = pi (1.5cm)2
a = 2.25 pi cm2
a= 7 cm2
circunsferencia = pi x diametro
= 3 pi cm
=9.42 cm
r = 3cm/2 = 1.5cm
La fórmula del área de un círculo es:
A = π·r² = (3.14)·1.5² = 7.06 cm²
La fórmula de la circunferencia es:
2·π·r = 2·(3.14)·1.5 = 9.42 cm
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