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marusya05 [52]
3 years ago
14

I NEEDA KNOW IF IM RIGHT , IDK HELP

Mathematics
1 answer:
aliya0001 [1]3 years ago
7 0

Answer:

CD and DE are perpendicular because their slopes are -1/3 and 3

Step-by-step explanation:

Perpendicular lines will always have the opposite reciprocal.

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