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Dik : d = 14 cm
Dit: L = ...?
K = ...?
Jawab
r =
r =
r = 7 cm
L = π.r²
=
= 154 cm²
K = π.d
=
= 44 cm
NO. 2
Umur Pak Dono diperkirakan kurang dari 120 tahun
NO. 3
Adudu akan baik ketika dia sudah bertobat