Respuesta :

alexisb2006
56.52 inches because 18 is the diameter and 18 times 3.14 is 56.52
george3262

Answer:

approximately 56.55 inches

Step-by-step explanation:

circumference = 2πr

the radius of a circle (or pizza in this case)

is 9 inches

(because the diameter is 18 inches, and half the diameter equals the radius)

so the circumference is...

C = 2 × π × (9)

= approximately 56.55 inches

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