Bantuin dong sekali aj

Jawaban:
A. 66 cm
Penjelasan dengan langkah-langkah:
Keliling
K = Ο × d
K = (22/7) × 21
K = 22 × 3
K = 66 cm (A)
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Answer By :
[tex]\large{\textbf{\textsf{\blue{Mathdy}}}}[/tex]
Jawaban:
KELILING LINGKARAN
= Ο x d
= 22/7 x 21
= 22x3= 66 cm
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