keliling = 2 × π × r
= 2 × 22/7 × 24,5
= 2 × 22 × 3,5
= 154 cm = B
maap kalo salah
K = 2 phi r
= 2.22/7. 24.5
=154
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keliling = 2 × π × r
= 2 × 22/7 × 24,5
= 2 × 22 × 3,5
= 154 cm = B
maap kalo salah
K = 2 phi r
= 2.22/7. 24.5
=154