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What is the missing angle?

What is the missing angle?-example-1
User Jim Cownie
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The triangle that has 35° and 25° adds up to 180 so that missing angle in that triangle is 120°.

In the line that has 120°, the missing angle adjacent is 60°.

Now, you have 60° and 60° in the triangle that has a the missing angle.

180 - (60 +60) = 60

User Bob Smith
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