The circumference of the circle on top is C = 2 pi r. C = 2 x 3.14 x 1 C = 6.28cm.
Now, you can tell that the area we are looking for would be a rectangle if we unrolled it, so we just want the area of that. A = l x w We have the width: 3. We now have the length: 6.28. So area = 18.84 inches²
