Question

Perhatikan gambar disampin.jika m<bac=60°dan panjang ruas ab=15cm, luas juring abc=....

Answer 1

Verified answer

✔ Mapel = Matematika
✔ Kelas = 8 SMP
✔ Materi = Lingkaran - Luas Juring
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Penyelesaian :
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Luas Juring ABC
= 60°/360° x (π x r x r)
= 1/6 x (3,14 x 15 cm x 15 cm)
= 1/6 x 706,5 cm²
= 117,75 cm²

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