Question

File attached

Answer 1

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

Answer 2

I mean Area is pi r^2

Answer 3

i k but that dont help

Answer 4

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

Answer 5

\[2\pi(55mm)\] = Circumfrence
\[\pi(55mm)^2\] = Area

Answer 6

answer?

Answer 7

ill fan and medal

Answer 8

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