What factor is represented by the blue shading in the model include the overlapping area

Anthony is making a collage for his art class my picking shapes randomly. he has five squares, two triangles, two ovals, and four circles. find p( circle is chosen first)

The center of a circle represent by the equation (x+9)^2+(y-6)^2=10^2 (-9,6), (-6,9), (6,-9) ,(9,-6)

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?