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Margaret [11]
3 years ago
7

Line a y=1/2x+2

Mathematics
1 answer:
nikdorinn [45]3 years ago
4 0

Answer:

b and c

Step-by-step explanation:

Have a look at lines b and c.  Note that the two slopes (-1/2 and +2) are negative reciprocals of one another.  This is a sure sign that lines b and c are perpendicular.

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