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juin [17]
3 years ago
11

Can somebody help me with this

Mathematics
1 answer:
denis-greek [22]3 years ago
7 0

Answer:

C

Step-by-step explanation:

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2 years ago
25 POINTS
Semenov [28]

If the slope of AB = CD and BC = AD it's a parallelogram:

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AD = -2 +1 / 3+5 = -1/8

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BD = 6+2 / -9 -3 = 8/-12 = -2/3

Because BD is the reciprocal of AC, this means they are perpendicular.

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