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14 cm = 3,14 x d
D = 14 cm : 3,14
D = 4,458 cm
B. 7 : 3,14 = 2,229 cm
C. 12,6 : 3,14 = 4,013cm
D. 11,8 : 3,14 = 3,758cm
E. 10,7 : 3,14 = 3,408cm
F. 8,4 : 3,14 = 2,675dm
Caranya sama seperti A