Tolong nomor 15 dan 16 pls [PAKAI CARA]
Matematika
cindy1193
Pertanyaan
Tolong nomor 15 dan 16 pls
[PAKAI CARA]
[PAKAI CARA]
1 Jawaban
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1. Jawaban rifkyulliyah
L juring = x/360Πr²
Πr² = 360/x × L juring
Πr² = 360/180 × 77
Πr² = 154
r² = 154/Π
r² = 154/3,14
r² = 49
r = 7 ..
Semoga bermanfaat ..