Question 1011896
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tan 42=h/x
tan 34=h/(x+2)
0.900=h/x
h=0.900x
(x+2)*0.675=h
set the two equal
0.900x=0.675x+1.350
0.225x=1.350
x=6 km
Therefore h=0.900x=5.4 km