What is the area of the polygon below in square units?

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]

Can someone explain to me how to do

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.