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05-07-2017
Mathematics

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The area of the circle is 25 pie cm squared what is the circumference of the circle?

Respuesta :

05-07-2017

Area = π*r^2 = 25π

Therefore, r^2 = 25, r = √25 = 5.

Circumference = 2πr = 2*π*5 = 10π cm^2.

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