= 1/12 x 2 x 22/7 x 21 cm
= 1/12 x 44/7 x 21 cm
= 1/12 x 44 x 3 cm
= 44/12 x 3 cm
= 11/3 x 3 cm
= 33/3 cm
= 11 cm
6. Perhatikan lingkaran O di samping.
Diketahui m∠BOD = 110°
= 1/12 x 2 x 22/7 x 21 cm
= 1/12 x 44/7 x 21 cm
= 1/12 x 44 x 3 cm
= 44/12 x 3 cm
= 11/3 x 3 cm
= 33/3 cm
= 11 cm
6. Perhatikan lingkaran O di samping.
Diketahui m∠BOD = 110°
Editor: Yulia Pramuninggar
Sumber: Buku Matematika Kelas 8 Semester 2