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Answer:

The **angle of elevation** is the angle between the horizontal and the line from the object to the observer's eye (the line of sight).



Sin51.4 Sin100.5 --- = - 1.73 x
 * __ Angles: __**
 * 180-28.1= **151.9**
 * 180-79.5=** 100.5 **
 * 28.1+100.5-180=** 51.4 **
 * __ Sides: __**
 * Sine Law

1.73Sin100.5

Sin51.4

X= ** 2.18Km ** *Cosine Law 2 2 2 c=(1.73)+(2.18)-2(1.73)(2.18)Cos28.1 2 c=2.9929+4.7524-7.5428Cos28.1 2 c=7.7453-6.65

c=** 1.04Km **