Mathematics, 10.10.2019 03:30, onegirl435

Triangle pqr is rotated 90 degrees counterclockwise about the origin to form the triangle p'q'r' (not shown). then triangle p'q'r' is reflected across the x-axis to form triangle p"q"r" (not shown). what are the signs of the coordinates (x, y) of point p'?

Triangle pqr is rotated 90 degrees counterclockwise about the origin to form the triangle p'q'r' (no

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Triangle pqr is rotated 90 degrees counterclockwise about the origin to form the triangle p'q'r' (no...