Respuesta :
Answer:
dilate circle a by 3
Step-by-step explanation:
One of the transformations that we need to use is the one in option b: "Dilate circle A by a scale factor of 3"
What are two similar figures?
We say that two figures are similar if we can apply a series of transformations to one of them, and get the other.
In this case, we have two circles, one centered at (4, 5) with a radius of 3 units, and the other centered at (1, 7) with a radius of 9 inches.
So, if we take the first circle, and move it:
3 units to the left and 2 units up, we will get the two circles centered in the same point.
Then we need to apply a dilation of scale factor 3, so the radius of circle A becomes:
R' = 3*3 = 9
The same as the radius of circle B.
So, the two circles are similar.
From the options, the transformation that we must apply is b: " Dilate circle A by a scale factor of 3" So that is the correct option.
If you want to learn more about circles, you can read:
https://brainly.com/question/1559324