Catgrau Catgrau

08-04-2020
Mathematics

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How do you find the radius of a circle with a circumference of 12pi

Respuesta :

Stryfer Stryfer

08-04-2020

Answer:

6

Step-by-step explanation:

The circumference of a circle is [tex]2\pir[/tex][tex]\pi r[/tex], so [tex]12\pi=2\pi r\\12=2r\\r=6[/tex]. We can use this because the area of a circle is [tex]\pi r^2[/tex]. Thus, [tex]\pi*6^2=36\pi[/tex].

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