Sketch and label pertinent lines and legal distances, and compute nominal areas of the parcel described as NE 1/4 of NW 1/4, Sec. 20, T3N, R1E, Fairbanks PWV. What are the nominal dimensions and acreages of the following parcels: a. NE 1/4 of the SE 1/4, Sec. 21. b. Sec. 6. c. NW 1/4 of Sec. 17.