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In the \(xy\)-plane above, is angle \(QPR\) a right angle?

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by VJesus12 » Fri Dec 17, 2021 10:18 am

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PQR.png
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
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Source: — Data Sufficiency |