Jawab:
21 cm
Penjelasan dengan langkah-langkah:
Keliling lingkaran = 2πr
132 cm = 2×[tex]\frac{22}{7}[/tex]×r
132 cm = [tex]\frac{44}{7}[/tex] × r
r = 132 × [tex]\frac{7}{44}[/tex]
r = 21 cm
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Jawab:
21 cm
Penjelasan dengan langkah-langkah:
Keliling lingkaran = 2πr
132 cm = 2×[tex]\frac{22}{7}[/tex]×r
132 cm = [tex]\frac{44}{7}[/tex] × r
r = 132 × [tex]\frac{7}{44}[/tex]
r = 21 cm