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The diagram below shows the radius of the circular opening of a drinking cup.


Which of the following is closest to the circumference of the opening in centimeters?

The diagram below shows the radius of the circular opening of a drinking cup Which of the following is closest to the circumference of the opening in centimeter class=

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theleangreenbean

Answer:

25 cm

Step-by-step explanation:

[tex]C=2\pi r[/tex] where r is the radius of the circle

Plug in the given radius (4 cm)

[tex]C=2\pi (4)\\C=8\pi\\C=25[/tex]

Therefore, the circumference of the opening is approximately 25 cm.

I hope this helps!