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o-na [289]
3 years ago
12

Find the value of X.

Mathematics
2 answers:
Studentka2010 [4]3 years ago
7 0

Answer:

x = 40

Step-by-step explanation:

The angles are vertical angles which mean they are equal

3x=120

Divide each side by 3

3x/3 = 120/3

x = 40

scoray [572]3 years ago
4 0

Answer:

3x/3 is x

3x is a reflection of 120

120/3 = 40

x = 40°

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Hello!

In our triangle, c is the hypotenuse. We are given an adjacent side length to our angle. This means we will use the cosine. Let's find it first.

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This gives us the equation below.

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I hope this helps!

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