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Natali5045456 [20]
2 years ago
7

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

Mathematics
2 answers:
Darina [25.2K]2 years ago
5 0

I think 1700000000000000000

STatiana [176]2 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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