Question

a spool has a diameter of 3.5 CM its is string marks 15 turns around it what is its length​

Answer 1

Step-by-step explanation:

1 turn = 3.5π

15 turns = 3.5π x 15

15 turns = 52.5π

15 turns = 165 cm

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Answer: The length of the string is 165 cm..

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