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

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.

User Elkefreed
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