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Circumference of a clock with the radius of 16 centimeters?

1 Answer

3 votes

Answer:

100.5309649cm

Explanation:

The formula for the circumference of a circle is:

2πr

if the radius is 16cm, we just need to substitute 16 for r:

2π(16)

= 32π

= 100.5309649cm

You can round this however you like, however I would recommend doing either 3 significant figures either 2 or 3 decimals places :)

User Wal
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