Question

Jawabkan dong 4 nomor

Answer 1

20×4= 80 cm

80×26/360=52/9 cm

tolong jadikan jawaban terbaik. terima kasih :)

Answer 2

Dik:
<COD = 90⁰
<BOC = 26⁰
Juring CD = 20 cm
Juring BC = .....?

Jawab:
Tentukan keliling lingkaran.
Juring CD = Keliling x sudut / 360
20 cm = keliling x 90 / 360
20 cm = keliling x 1/4
keliling = 80 cm

masukan Juring BC:
= keliling x sudut / 360
= 80 x 26/360
= 80 x 0,72
= 5,78 cm