Diketahui : r = 42 cm, jarak tempuh = 2773m Ditanya : Banyak putaran = .... ?
Jawab :
Takamori37
Asumsi jarak tempuh : 2.772 m (Jika benar 2.773 m harap beritahu) Ambil kelilingnya: K = 2 π r K = 2 x 22/7 x 42 K = 2 x 22 x 6 K = 264 cm Maka, n = S/K n = 277.200/264 n = 1.050 putaran
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Sarahkuai
oh iya 2.772 m maaf mata ane rabun sih >_<
Ambil kelilingnya:
K = 2 π r
K = 2 x 22/7 x 42
K = 2 x 22 x 6
K = 264 cm
Maka,
n = S/K
n = 277.200/264
n = 1.050 putaran