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You are given the coordinates of a triangle and
coordinates for only one of the vertices of its image
under a translation. Explain how to translate the entire triangle

Respuesta :

Answer:

Translations move every point on a figure the same distance and direction. You can use the one vertex and its image to find the rule that maps the triangle to its image. This rule can then be used to find the images of the other vertices of the triangle. Plot the vertices and connect them to form the image of the triangle.

Step-by-step explanation:

Translation involves moving a shape away from its original position.

To translate the entire triangle, you need to

  1. Get the translation rule
  2. Apply the translation rule

From the question, we understand that:

  • The coordinates of the triangle are known
  • The coordinates of one of the vertices of the image is known

Assume that, the coordinates of the triangle is as follows

[tex]\mathbf{A = (1,2)}[/tex]

[tex]\mathbf{B = (3,5)}[/tex]

[tex]\mathbf{C = (-1,5)}[/tex]

Assume one of the vertices of the image is:

[tex]\mathbf{A' = (3,4)}[/tex]

The first thing to do is to get the translation rule from points A and A'

This is calculated using:

[tex]\mathbf{(x,y) = A' - A}[/tex]

So, we have:

[tex]\mathbf{(x,y) = (3,4) - (1,2)}[/tex]

[tex]\mathbf{(x,y) = (2,2)}[/tex]

The above equation means that, the translation rule is:

[tex]\mathbf{(x,y) \to (x + 2,y + 2)}[/tex]

So, the next step is to apply the translation rule on points B and C

[tex]\mathbf{B = (3,5)}[/tex]

The image of B becomes:

[tex]\mathbf{B' =(3 + 2, 5 +2)}[/tex]

[tex]\mathbf{B' =(5, 7)}[/tex]

[tex]\mathbf{C = (-1,5)}[/tex]

The image of C becomes:

[tex]\mathbf{C' = (-1 + 2, 5 + 2)}[/tex]

[tex]\mathbf{C' = (1, 7)}[/tex]

Hence, the step to translate the entire triangle is:

  1. Get the translation rule
  2. Apply the translation rule

Read  more about translations at:

https://brainly.com/question/12463306