Page 39 - E-MODUL INTERAKTIF MATEMATIKA SEMESTER 1
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Rumus Keliling Lingkaran
Nama Rumus
Keliling K = π × d
K = π × 2r
phi π = 22/7
π = 3,14
Jari-jari r = d/2
Diameter d = 2r
Keterangan
K = Keliling
π = 22/7 atau 3,14
r = jari-jari
d = diameter
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