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.
