Answer:
6.5
Step-by-step explanation:
The triangle shown is right angles where;
opposite side = x
adjacent side = 8
Angle of elevation = 39°
Using TOA trigonometry identity
tan 39° = opp/hyp
tan 39° = x/8
x = 8tan39°
x = 6.48
Hence the value of x is 6.5 to the nearest tenth
