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If PQ = 3, QR = 2x, and PR = 3x, what is QR?

If PQ = 3, QR = 2x, and PR = 3x, what is QR?
asked 120k views
4 votes
If PQ = 3, QR = 2x, and PR = 3x, what is QR?

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User Mohammad Kani
by
8.6k points

1 Answer

2 votes

Answer:

6

Explanation:

It is ALWAYS helpful to sketch the appropriate figure.

That will make clear that 3x = x+4, by the definition of midpoint.

Then you solve the equation and you get x=2, so that PQ = 6.

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User Elkefreed
by
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