Question

Find the area of the ring formed by the concentric circles defined by (x - 3)2 + (y – 2)2 = 16 and (x – 3)2 + (y – 2)2 = 144.

Answer 1

\[128\pi\]

Answer 2

\[\pi R^2-\pi r^2=\pi(R^2-r^2)\]

Answer 3

Thanks Zarkon, for the equation and answer ^-^

Answer 4

np