Jawaban:
C. 15,7 cm
Penjelasan dengan langkah-langkah:
K lingkaran = 3,14 x 20 = 62,8 cm
P busur = 62,8 x 1/4 = 15,7 cm
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Jawaban:
C. 15,7 cm
Penjelasan dengan langkah-langkah:
K lingkaran = 3,14 x 20 = 62,8 cm
P busur = 62,8 x 1/4 = 15,7 cm