Find the area A of the crescent-shaped shaded region (called a lune) bounded by arcs of circles with radii r and R. (See the figure below. Assume the center of the smaller circle is collinear with the two points of intersection.)A =

30. [011 Points] DETAILS PREVIOUS ANSWERS SCALCET9M 7.3.049. MY NOTES ASK YOUR TEACHER Find the area A of the crescent-shaped shaded region (called a lune) bounded by arcs of circles with radii r and R. (See the figure below. Assume the center of the smaller circle is collinear with the two points of intersection.) 2 A = l + W R2 r2 R281n_1( 1) R Need Help? __' Submit