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Find the unknown angle

Find the unknown angle
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4 votes
Find the unknown angle

Find the unknown angle-example-1
User Troy Alford
by
7.7k points

1 Answer

4 votes

Answer:

x=60

Explanation:

The three angles of a triangle add to 180 degrees

40+80+x = 180

Combine like terms

120+x =180

Subtract 120 from each side

120-120+x = 180-120

x = 60

User Herrmann
by
8.1k points
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