Hitunglah keliling lingkaran dengan jari-jari 3.5 m?

keliling lingkaran = π2r
=22/7. 2. 3,5
=22/2.2
=44/2
= 22 m

Please, let me answer your question :)
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Mapel : Matematika
Tentang : Bangun Datar
Pertanyaan yg diajukan : 1
Pembahasan :

Diketahui :
- Jari - Jari (r) : 3,5 m
- Diameter (d) : 3,5 x 2 : 7 m

Ditanya :
- Keliling (K)

- Cara :

K = π x d
K = 22/7 x 7
K = 22 m

Jawaban : 22 m

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