Honors Geometry

In ∆KBU, m(B = 73(, m(U = 85(, and UB = 22.4. Find KB. In ∆RKZ, KZ = 128.30, KR = 123.38, and RZ = 53.32. Find m(Z. John wants to measure the height of a tree. He walks exactly 100 feet from the base of the tree and looks up. The angle from the ground to the top of the tree is 33(. ................
................