Jawab: 21
Penjelasan dengan langkah-langkah:
132 / 2x22/7 = 21
Keliling lingkaran 132 m
Jari jari
2 × 22/7 × r => 132
44/7 × r => 132
R => 132 ÷ 44/7
R => 132 × 7/44
R => 924/44
R => 21 m
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Jawab: 21
Penjelasan dengan langkah-langkah:
132 / 2x22/7 = 21
Diketahui :
Keliling lingkaran 132 m
Di tanya :
Jari jari
Penyelesaian :
2 × 22/7 × r => 132
44/7 × r => 132
R => 132 ÷ 44/7
R => 132 × 7/44
R => 924/44
R => 21 m