The cheerleaders are making buttons for homecoming. They are printing paper circles with a diameter of 3 inches that will be folded over a metal backing and covered with clear plastic. If a 1/2 inch border is folded over, how much of the picture will show on the finished button.

Question

(Use 3.14 for pi)

Answer 1

R = 1.5
r = 1
pi R^2 - pi r^2
pi (1.5)^2 - pi (1)^2

Answer 2

I got 6.565in^2

Answer 3

pi (2.25 -1) = 1.25 pi = 3.93

Answer 4

oh thanks

Answer 5

You are welcome :)