3 years ago

6. Please help. Nestor is about to write a proof that CD⎯⎯⎯⎯⎯⎯⎯⎯⊥AB⎯⎯⎯⎯⎯⎯⎯.

Mathematics

1 answer:

masya89 [10]3 years ago

6 0

Answer:

First and third are the correct answers.

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$\longrightarrow{\green{7 \frac{20}{21}}}$

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