Question

Which statement about a dilation with a scale factor of 3 is true?
Three is added to each side in the pre-image to find the corresponding side length in the image.
Three is subtracted from each side in the pre-image to find the corresponding side length in the image.
Each side in the pre-image is multiplied by three to find the corresponding side length in the image.
Each side in the pre-image is divided by three to find the corresponding side length in the image.