An entire unit of lessons on Similarity! This includes the following content: definition of similarity; perimeters of similar polygons; listing corresponding parts; ratios and scale factors; AA~, SSS~, and SAS~; finding missing parts of similar polygons; triangle proportionality theorem and its converse; triangle midsegment theorem; proportional parts of parallel lines and congruent parts of parallel lines.Within this unit of lessons, you will find methods of instruction, including: lectur