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PLEASE HELP I NEED ANSWER ASAP PLEASE Find the supplementary angle of 128.9º
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12 votes
12 votes
PLEASE HELP I NEED ANSWER
ASAP PLEASE
Find the supplementary angle of 128.9º

User Darryl Hebbes
by
3.0k points

2 Answers

9 votes
9 votes

Answer:

51.1°

Explanation:

i really just had a test on this in 7th grade

User Abhijeet
by
3.4k points
2 votes
2 votes

Answer:

51.1°

Explanation:

supplementary angles add up to 180 so we take 180-128.9=51.1

User Dewang
by
2.7k points
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