A Texas rancher wants to fence off his four-sided plot of flat land. He measures the first three sides, shown as A, B, and C in the figure below, where A = 5.00 km and -17°. D = ? km 20 y+A+B+C+D=0 C= 3.02 km 17⁰. C 7.5° A = 5.00 km B west of south 16 W N X B = 2.48 km He then correctly calculates the length in kilometers and orientation in degrees west of south of the fourth side D. What is his result in kilometers and degrees west of south? D = km E
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