Nico Quintana 82. Find the area of the shaded regions of problems a and b which are 2 possible arrangements of irrigation circles. a) b) 28' 23' 23' c) Compare the answers to a and b. What implications does this have for farmers using irrigation? 83. Find the requested measures for OA. Give a reason that you used to support your answer . a) Find x b) DE=BC; AG = 10; find AF D E G .A X B C) Find x d) Find x . A 70' A