Question

QUIZ (1488)
Materi: Bangun Datar

Jari-jari roda mainan adik Reta adalah 21 cm, bila π = 22/7, tentukan keliling roda mainan anak itu!​

Answer 1

Verified answer

[tex]\bold{\bold{\normalsize{Diketahui :}}} [/tex]

π = 22/7

r = 21 cm

[tex]\bold{\bold{\normalsize{Ditanya :}}} [/tex]

Keliling = ?

[tex]\bold{\bold{\normalsize{Jawaban :}}} [/tex]

K = 2×π×r

K = 2 × (22/7) × 21

K = (2 × 22 × 21) / 7

K = (44 × 21) / 7

K = 924 / 7

K = 132 cm

Jadi, keliling roda mainan anak-anak adalah 132 cm.

[tex]\boxed{\mathfrak{answered \: by \: itsmesike}}[/tex]