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hammer [34]
3 years ago
9

I don’t really understand how to do this

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
5 0

Answer:

<A = 63degrees

Step-by-step explanation:

From triangle DEF;

<D + <E + <F = 180

87 + 30 + <F = 180

117 + <F = 180

<F = 180 - 117

<F =  63degrees

Since <A = <F based on similarities, then <A = 63degrees

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Answer:

6

Step-by-step explanation:

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Kamila [148]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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