The side length of the photo will be 3 inches.
Dilation is the process of increasing the size of an item without affecting its form. Depending on the scale factor, the object's size can be raised or lowered.
There is no effect of dilation on the angle.
Emma wants to enlarge a square photo and print it on a square canvas.
The side length of the canvas is 12 in.
The scale from the canvas to the photo is 4 in. to 1 in.
Let a be the side length of the photo.
Then the side length of the photo will be
a = 12/4
a = 3 inches
More about the dilation link is given below.
https://brainly.com/question/2856466
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