FIND THE MESURES OF THE ANGLES. FIND TWO. ANSWER CHOICES:

Mathematics

2 answers:

Roman55 [17]2 years ago

5 0

Answer:

d . 49

Step-by-step explanation:

180-131 ( supplementary angle)

= 49°

Angelina_Jolie [31]2 years ago

3 0

Answer:

=D 49

.......................

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A person is standing 50 ft from a statue. The person looks up at an angle of elevation of 8 degrees when staring at the top of t

borishaifa [10]

The height of the statue is 19.5 feet.

Why?

We can solve the problem using trigonometric formulas. In this case, we are going to use the trigonometric formula of the tangent.

We know that the person is standing 50ft from the statue, so, it will be the base of the two triangles formed by both angles (elevation and depression)

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First triangle:

$tg(\alpha )=\frac{h_{1}}{base} \\\\tg(8\°)=\frac{h_{1}}{50ft}\\\\0.14*50ft=h_1\\\\h_1=7ft$