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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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Answer:

56.52 inches

Step-by-step explanation:

The circumference of a circle can be found using:

c=\pi d

We know the diameter is 18, and \pi is being rounded to 3.14, so we can substitute them in.

c=3.14*18                   <em>Multiply</em>

c=56.52

So, the circumference is 56.52 inches

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Answer:

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\\By collecting the like terms , we have:

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Nana76 [90]

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Step-by-step explanation:

8=f-(13-2)

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your answer would still be 19

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