3 years ago

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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zysi [14]

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Step-by-step explanation:

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Answer:

Step-by-step explanation:

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Step-by-step explanation:

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This is really difficult for me. If someone could help me I would really appreciate it.

Dmitrij [34]

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