d = 21 cm
r = ... cm
=====
r = d ÷ 2
r = 21 cm ÷ 2
r = 10,5 cm
Jawaban
Jari-jari = Diameter :2
Jari-jari= 21 : 2
Jari-jari = 1,5 cm
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d = 21 cm
r = ... cm
=====
r = d ÷ 2
r = 21 cm ÷ 2
r = 10,5 cm
Jawaban
Jari-jari = Diameter :2
Jari-jari= 21 : 2
Jari-jari = 1,5 cm