Jawaban:
45 cm
Penjelasan dengan langkah-langkah:
Panjang busur PQ = 108/360 x 2 π r
84,78 cm = 3/10 x 2 x 3,14 x r
84,78 cm = 18,84/10 x r
r = 84,78 cm x 10/18,84
r = 847,8 cm/18,84
r = 45 cm
Semoga bermanfaat ^_^
Selamat belajar!!
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Jawaban:
45 cm
Penjelasan dengan langkah-langkah:
Panjang busur PQ = 108/360 x 2 π r
84,78 cm = 3/10 x 2 x 3,14 x r
84,78 cm = 18,84/10 x r
r = 84,78 cm x 10/18,84
r = 847,8 cm/18,84
r = 45 cm
Semoga bermanfaat ^_^
Selamat belajar!!