Side Splitter Theorem Proportions in Triangles

I introduce the Side Splitter Theorem for triangles and its corollary that applies to parallel lines intsecting multiple transversals. I work through two algebra examples involving proportions. EXAMPLES at 1:34 6:23 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