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DIA [1.3K]
3 years ago
9

Approximate the unknown side x in the diagram. A. 3.356 B. 5.222 C. 3.064 D. 4.737

Mathematics
2 answers:
Marianna [84]3 years ago
5 0

Answer:

The answer to your question is x = 3.356 cm

Step-by-step explanation:

This is a right triangle so we can use the Trigonometric functions to solve this problem.

Data

Ф = 40°

Adjacent side = 4 cm

Opposite side = x

Process

1.- We must know the lenght of the opposite side so we must use the tangent to solve it.

    tangent Ф = \frac{Opposite side}{Adjacent side}

2.- Solve it for Opposite side

    Opposite side = tanФ x Adjacent side

     Opposite side = tan 40° x 4

     Opposite side = 0.839 x 4

     Opposite side = 3.356

     Opposite side = x = 3.356 cm

Gelneren [198K]3 years ago
4 0

Answer:

= 3.356 cm

Step-by-step explanation:

i know because i took the test an got an 80

1. 9.46

2. given

3. i didn't get it right but it is NOT 20.47

4. 51.1

5. 38.7

some test are different an may ask different question but this is what i got hope it helps make this year count

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