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2 votes
Explain how you found your answer

Explain how you found your answer-example-1
User Dols
by
3.2k points

1 Answer

6 votes

Answer:

29°

Explanation:

151° + a=180°

We know the sum of angles in a straight line is 180°

a= 180°-151°

The sign changed as it changed sides

a= 29°

User Jack Moody
by
3.3k points