These are 12 challenging practice problems with diagrams on similar triangles. The slides with problems are four as there are 3 problems per slide. The problems increase in difficulty.You can see nine of the problems in the preview. Students will need to know how to solve rational equations resulting in linear and quadratic equations (cross multiplication)use their knowledge on isosceles triangles, parallelograms, angles in circlesuse triangle sum theorem, Pythagorean theorem, angle bisector the