alyssakato1102 alyssakato1102

06-08-2021
Mathematics

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The area of a circle is 16π cm2. What is the circle's circumference?

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

06-08-2021

Answer:

C = 8 pi cm

Step-by-step explanation:

The area of a circle is given by

A = pi r^2

16 pi = pi r^2

Divide each side by pi

16 = r^2

Taking the square root

4 = r

The circumference is

C = 2 * pi *r

C = 2* pi *(4)

C = 8 pi cm

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