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den301095 [7]
3 years ago
6

△ABC is given with line m drawn through A parallel to BC¯¯¯¯¯¯¯¯. In the course of proving that the interior angle measures of △

ABC sum to 180°, which of the following will be shown? Select the two correct answers.
A. ∠1≅∠B


B. m∠BAC+m∠C+m∠2=180°


C. m∠1+m∠BAC+m∠2=180°


D. ∠1≅∠C


E. ∠2≅∠A

Mathematics
1 answer:
aleksklad [387]3 years ago
4 0

Answer:

I think a) and c is correct.

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See explanation

Step-by-step explanation:

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First, subtract x^2(x-2) from the original expression, leaving you with 9x^2+2x-40.

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Answer:

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