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1 vote
60 is the last option

60 is the last option-example-1
User Jonnerz
by
4.8k points

2 Answers

6 votes

Answer:

The answer is 40°

Explanation:

Angles that are opposite of each other are always equal.

User Wnm
by
4.9k points
5 votes

Answer:

its 40° because they're linear pairs

Explanation:

both angle 1 and 3 are 40°

User KBart
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3.8k points