A rectangular picture has dimensions of 8 inches by 12 inches. This picture is placed in a picture frame with a thick border. The width of the border around the picture is a inches.

dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.