Answers for 18 , 19 , and 20 please (urgent)

asked Jan 10, 2023 111k views

5 votes

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1 vote

Answer:

18 =150°. 19=it is angle between two straight line. 20=180-90+30

Deneil answered Jan 10, 2023

3.6k points

5 votes

Answer:

150

adjacent (probably)

90-30 = abf

Explanation:

Moshfiqrony answered Jan 14, 2023

3.3k points

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