Translation
In Geometry, "Translation" simply means Moving ...
... without rotating, resizing or anything else, just moving.
To Translate a shape:
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Every point of the shape must move:
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To see how this works, try translating different shapes here:
images/translate.js
Note: You can translate either by angle-and-distance, or by x-and-y.
Try both to see what happens.
Writing it Down
Sometimes we just want to write down the translation, without showing it on a graph.
Example: to say the shape gets moved 30 Units in the "X" direction, and 40 Units in the "Y" direction, we can write:
(x,y) → (x+30,y+40)
Which says "all the x and y coordinates become x+30 and y+40"
6720, 6721, 6722, 6726, 3348, 3349, 3350, 843, 2135, 2136