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(1) Points \(P\) and \(Q\) have the same \(x\)-coordinate.
(2) Points \(P\) and \(R\) have the same \(y\)-coordinate.
Answer: C
Source: Official Guide
In the \(xy\)-plane above, is angle \(QPR\) a right angle?
(1) Points \(P\) and \(Q\) have the same \(x\)-coordinate.
(2) Points \(P\) and \(R\) have the same \(y\)-coordinate.
Answer: C
Source: Official Guide
