3 years ago

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

Mathematics

1 answer:

aniked [119]3 years ago

7 0

Answer:

Step-by-step 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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