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daser333 [38]
2 years ago
8

Triangle ABC has been rotated 90° to create triangle DEF. Using the image below, prove that lines BC and EF have the opposite an

d reciprocal slopes. You must show all of your work to receive credit.

Mathematics
1 answer:
denis-greek [22]2 years ago
5 0
The correct answer is acute.
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Answer:  $122.50

<u>Step-by-step explanation:</u>

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