If all three dimensions are tripled, then which of the following statements about its surface area will be true?
2 lw + 2 ld + 2 wd = area
Now triple l w and d
2 * 3l 3w + 2 * 3l 3d + 2* 3w 3d
9 * 2 lw + 9 * 2ld + 9* 2wd = new area this is NINE tiems greater than original 9:1