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Congruence Notation
Geometry Congruence and Similarity Transformation Notation
Question | Answer |
---|---|
translation right and up | (x+a,y+b) |
translation right and down | (x+a,y-b) |
translation left and up | (x-a,y+b) |
translation left and down | (x-a,y-b) |
reflection in the x-axis | (x,-y) |
reflection in the y-axis | (-x,y) |
reflection in the line y=x | (y,x) |
reflection in the line y=-x | (-y,-x) |
rotation of 90 degrees | (-y,x) |
rotation of 180 degrees | (-x,-y) |
rotation of 270 degrees | (y,-x) |