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brutcherk
13.07.2019 •
Mathematics
8. find the glide reflection image of the black triangle where the translation is (x,y) -> (x,y - 7) and the line of reflection is x = 1. am i correct?
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Ответ:
Option D is correct.
Explanation:
From the given figure,
Labelled the black triangle as A, B and C
The coordinates of triangle ABC are;
A= (2,8) , B= (2,5) and C=(6,5)
To find the glide reflection image of the triangle ABC.
Glide Reflection: It is a composition of transformations.
In glide reflection, a translation is first performed on the figure then it is reflected over a line.
Given: The rule of translation is:
and line of reflection is x= 1.
Now, apply the rule of translation on black triangle, we get;
Next,
Apply the rule of reflection over the line x =1,
i.e,![(x,y) \rightarrow (-x+2, y)](/tpl/images/0085/1252/8a257.png)
You can see the graph of Glide reflection as shown below in the attachment.
Ответ: