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Marta_Voda [28]
3 years ago
10

the angle of elevation from a viewer to the top of a flagpole is 50°. the viewer is 40 ft away and the viewers eyes are 5.5 ft f

rom the ground. how high is the pole to the nearest tenth of a foot?

Mathematics
1 answer:
Margarita [4]3 years ago
3 0

Answer:

53.2 feet

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

In the right triangle ABC

tan(50^o)=\frac{AC}{BC} -----> by TOA (opposite side divided by the adjacent side)

substitute the values

tan(50^o)=\frac{h}{40}

solve for h

h=(40)tan(50^o)

h=47.7\ ft

therefore

The height of the pole is

h+5.5=47.7+5.5=53.2\ ft

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