1st is parallel
2nd is perpendicular
3rd is perpendicular
4th is parallel
5th is perpendicular
6th is perpendicular
2nd, 3rd, 5th, and 6th
Answer:
b
Step-by-step explanation:
59.0
c=31
b=90
90+31=121
180-121=59
56 rounded to the nearest 3 sf=59.0
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Answer:-4