jari-jari 10 cm bereapa keliling??
Matematika
cintya90
Pertanyaan
jari-jari 10 cm
bereapa keliling??
bereapa keliling??
2 Jawaban
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1. Jawaban estrellax
2 x phi x R = 2 x 3.14 x 10 = 62.8 cm -
2. Jawaban zahra1580
Keliling= πd = 3,14 x 20=62,8 cm
d= rx2= 10x2= 20 cm