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Lerok [7]
3 years ago
6

Scarlett is trying to find the height of a dam. She stands 90 meters away from the dam and records the angle of elevation to the

top of the dam to be 26º. Scarlett's height is 1.65 meters, so the height of the dam is meters. NextReset

Mathematics
2 answers:
Leya [2.2K]3 years ago
8 0
The height of a dam:
h = x + 1.65 m,
where:
x = 90 m · tan 26°
x = 90 · 0.4877
x = 43.90
h = 43.90 m + 1.65 m = 45.55 m
Answer: 
The height of the dam is 45.5 m.
Alla [95]3 years ago
4 0

Answer:

The height of dam =45.5 m.

Step-by-step explanation:

We are given that Scarlett stands 90 m away from the dam and records the angle of elevation to the top of the dam to be 26^{\circ}p

Scarelett's height is 1.65 meters.

We have to find the height of the dam.

Let h be the height of dam

AC=AB+BC

BC=x

h=1.65+x

CD=EB=90 m

In triangle ABE

\theta=26^{\circ}

tan\theta=\frac{perpendicular\;side}{Base}

tan26^{\circ}=\frac{AB}{90}

0.4877=\frac{x}{90}

x=0.4877\times 90

x=43.893 m

Therefore, the height of dam=1.65+43.893=45.543 m

Answer: The height of dam =45.5 m

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