Jawabanmu

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2014-04-12T18:00:52+07:00
K= \pi x d
55=3,14*d
d=55/3,14
d=17,5
1 5 1
2014-04-12T18:06:57+07:00
Dik : K = 55cm phi = 3,14 dit : D....? jawab K = Phi * D 55 = 3,14 * D D = 55 : 3,14 D = 17,5 cm