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3 years ago

The coordinates of the vertices of triangle QRS are Q (1,-2), R (1,9),

Mathematics

2 answers:

Darina [25.2K]3 years ago

5 0

I think 1700000000000000000

STatiana [176]3 years ago

5 0

Answer:

QR = 11

Step-by-step explanation:

Q and R are on a vertical line. Therefore, QR = 9 - (-2) = 9 + 2 = 11

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