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What is the answer to the question

What is the answer to the question-example-1
User Raconteur
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2 Answers

6 votes

3x+2x+80=180\\ 5x=100\\ x=20
User Vishanth
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5 votes
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


(5x)/(5) = (100)/(5)


\framebox{x = 20 \°}
User HoangHieu
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