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ahrayia [7]
3 years ago
12

What is the answer to the question

Mathematics
2 answers:
Sergio [31]3 years ago
4 0
Hello!

As you can see, the angle is a straight angle, which measures 180°. One angle measures 80°.

180 - 80 = 100

 That means the rest added all together measure 100°.

3x + 2x = 5x

5x = 100

Divide both sides by 5

\frac{5x}{5} =  \frac{100}{5}

\framebox{x = 20 \°}
Lilit [14]3 years ago
3 0
3x+2x+80=180\\
5x=100\\
x=20
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