I can't see the picture, but to do the dilation you must first figure out the coordinates of the first image and then figure out what half of it is and add that on to the new image or take that much off of the new image.
*To dilate means to make bigger or smaller
Boston, the biggest burg in New England, is located on a mountainous peninsula in Massachusetts Bay. The region had been inhabited since at least 2400 B.C. by the Massachusetts race of Native Americans, who assemble the peninsula Shawmut. Fearing more tension between Native Americans and settlers, England's King George III upshot the Proclamation of 1763, prohibiting residence westward of the Allegheny Mountains.
1 passive 2 passive 3 active