Question

12) A spool has a diameter of 3.5 cm. If a string
makes 15 turns around it, what is its length?​

Answer 1

Answer:

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Step-by-step explanation:

Answer 2

Hey here is your solution....

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Step:1 Find 1 turn

Circumference = πD

Circumference = π(3.5)

Circumference = 3.5 π cm

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Step:2 Find the 15 turns

1 turn=3.5π

15 turns=3.5π×15

15 turns=52.5π

15turns=165cm

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Answer:The length of a string is 165cm

hope its help uh :)