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Dima020 [189]
3 years ago
9

What is the first step in proving that the sum of the measures of triangle PQR is 180°?

Mathematics
2 answers:
vodka [1.7K]3 years ago
5 0

Draw a line through R parallel to the segment PQ


First choice.

Ivan3 years ago
5 0

I just took this quiz, so I am certain I'm right!

The first step is A. Construct a line parallel to segment PQ

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