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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.
OA 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.
OA C
Source: Official Guide
