Answer:
P=12.56
Step-by-step explanation
Formula 1 : [tex]P= \frac{1}{2}(\pi)(d)[/tex]
[tex]P=\frac{1}{2}(3.14)(8)\\[/tex]
What I did there was I substituted or plugged in the given information and I combined them.
[tex]\pi =3.14\\d=8[/tex]
When you solve it, your answer should be: [tex]P=12.56[/tex]
Hope this helps and answers your question. :D
