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. The diameter of a circle is 5.7 cm. What is the circumference? (Express your answer in pi form)

Respuesta :

Step-by-step explanation:

radius =diameter÷2

r=5.7÷2=2.85

let pi=x (since there is no symbol for pi on the phone )

Circumference =2xr

Circumference =2x×2.85=5.7x (5.7pi)

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