Answered

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

Answers For 18 19 And 20 Please Urgent class=

Sagot :

Answer:

150

adjacent (probably)

90-30 = abf

Step-by-step explanation:

Answer:

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