Similarity and Right Triangle Trigonometry

Starting with similar triangles and dilation factors, this unit quickly and thoroughly progresses into the world of right triangle features and trigonometric relationships. Presented in easy-to-attack modules with copious application examples, concepts are fleshed out by the learners themselves as they tackle problems and make conclusions. Familiar concepts including the Pythagorean theorem and parallel line properties are spiraled into developing an understanding of new material, grounding concepts (like trigonometric ratios) that can often be esoteric and fodder for rote memorization.