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

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

Answers for 18 , 19 , and 20 please (urgent)-example-1
User Brian Chapados
by
7.8k points

2 Answers

1 vote

Answer:

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

User Deneil
by
8.3k points
5 votes

Answer:

150

adjacent (probably)

90-30 = abf

Explanation:

User Moshfiqrony
by
8.0k points
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