Jawabanmu

2014-06-12T14:38:07+07:00
Kell : 2.(phi).r = 2.3,14.25
Luas : phi (3,14) . r2 ( 25 kuadrat)
Jawaban paling cerdas!
2014-06-12T14:38:27+07:00
Keliling: 3,14 x 25 x 2 = 157
luas: 3,14 x 25 x 25 = 1962,5
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