anonymous 5 years ago File attached

1. anonymous

2. anonymous

circumfrence is 2 pi r Area is 2 pi r^2

3. anonymous

I mean Area is pi r^2

4. anonymous

i k but that dont help

5. anonymous

well you know r which is 50mm so all you have to do is plug that into the equations I gave

6. anonymous

$2\pi(55mm)$ = Circumfrence $\pi(55mm)^2$ = Area

7. anonymous

8. anonymous

ill fan and medal

9. anonymous

lol I dont care about that.....use your calculator, its better if you learn it. All you have to do is plug it in.