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Sagot :

Answer:

B) [tex] 10\pi \: cm[/tex]

Step-by-step explanation:

Option B is the correct answer

[tex]A= \pi r^2 [/tex]

[tex]25\pi= \pi r^2 [/tex]

[tex]25= r^2 [/tex]

[tex]\sqrt{25} = r [/tex]

[tex]5\: cm= r [/tex]

[tex]C = 2\pi r [/tex]

[tex]C = 2\pi \times 5[/tex]

[tex]C = 10\pi \: cm[/tex]