Question

A spool has a diameter of 3.5 cm. If a string makes 15 turns around it, what is it's length​

Answer 1

Answer:

The correct answer is 165cm

Step-by-step explanation:

Circumference =

$\pi \: d$

=22/7×35/10

=11 cm

Length of string=(11×15)cm=165cm

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Answer 2

Answer:

165

Step-by-step explanation:

pie diameter

22/7×3.5

22 ×0.5

11

11×15=165