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The diameter of a tree trunk is 23 inches. What is the circumference?

Sagot :

Answer:

72.26

Step-by-step explanation:

Circumference formula is C=2[tex]\pi[/tex]r

Radius is 1/2 the diameter so, 23/2 = 11.5

11.5 will be your radius.

Now, plug your radius into your formula: 2 x [tex]\pi[/tex] x 11.5

and your answer will be approximately 72.26.

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