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The figure shows ΔDEF and ΔD'E'F'. Fill in each entry box with the answer.
The glide reflection that maps ΔDEF onto ΔD'E'F' is T º Ry = 1 where a = ____ and b = ____
Does the order of translations and reflection matter in the glide reflection? Answer yes or no.

The figure shows ΔDEF and ΔDEF Fill in each entry box with the answer The glide reflection that maps ΔDEF onto ΔDEF is T º Ry 1 where a and b Does the order of class=

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sqdancefan

9514 1404 393

Answer:

  • (a, b) = (-2, 0)
  • no

Step-by-step explanation:

Reflecting D over y=1 moves it to D'(-2, 4). An additional translation of (-2, 0) is required to move it to D'(-4, 4).

The translation only affects the x-coordinate, so can occur either before or after the reflection, which only affects the y-coordinate.

The order of transformations does not matter.

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