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nekit [7.7K]
3 years ago
8

What are the lengths of DE and EF. Answer with supporting work:

Mathematics
1 answer:
nataly862011 [7]3 years ago
5 0
The length of DE is 39 and the length of EF is 36 because we can see from side AC and DF that triangle DEF is just triangle ABC dilated by 3.
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Please Help!! What is the next step in the proof? Choose the most logical approach.
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Answer:

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<em>Statement: ∠7 ≅ ∠6 and ∠8 ≅ ∠5</em>

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Step-by-step explanation:

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which means

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Hence,

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∠4 = ∠5

they are known as interior alternative angles.

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