Question

Someone please help me on my math

Answer 1

`\displaystyle 15`

Explanation:

Divide the circumferense by π like so:

`\displaystyle \pi{d} = C \\ \\ (47,1)/(3,1415926536...) = d; 14,992395639... \\ \\ \boxed{15 \approx d}`

I am joyous to assist you at any time.