Combien de morceaux de 15cm peut on découper dans une ficelle de 1cm ?
1 answer:
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Answer:
5.24 in
Step-by-step explanation:
The arc length is calculated as
arc = circumference × fraction of circle
= 2πr ×
= 2π × 5 ×
= ≈ 5.24 in (2 dec. places )