berapa keliling limgkaran jika diameter nya 72
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Pertanyaan
berapa keliling limgkaran jika diameter nya 72
1 Jawaban
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1. Jawaban ChoAra1
2π.r = 2 . 3,14 . 36
= 226,08 cm
Darimana 36 ?
diameter = 2r
r = diameter : 2
72 : 2 = 36