I work through 5 examples of solving for missing sides of similar polygons. Similar polygons have linear sides, the corresponding angles are congruent, and the corresponding sides are proportional. The equal proportions, or constant ratios of the side lengths, are called the Scale Factor. EXAMPLES at 3:15 6:46 12:17 15:21 17:34 22:24 Find free review test, useful notes and more at http://www.mathplane.com/ If you'd like to make a donation to support my efforts look for the "Tip the Teacher" button on my channel's homepage / profrobbob