Chapter 5

Assignment 20
sect 5.1 / 5-30 (skip by 3), 40, 46 (Hint: draw the pentagon, put a circle around it and drop a point in the center, connect every corner of the pentagon to the center and solve)

Assignment #21
Sect 5.2 / 4-34(skip by 3), 46, 50 (hint draw a oblique triangle with c as the base. Put in the altitude from c to lambda, and call it h. Solve for h using each of the two triangle your original triange is now divided into. Keep in mind that h in both triangles must be equal.