# VideoText Interactive Geometry Module D with DVDs

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VT GEO D w/DVD

Instead of memorizing formulas and equations, Videotext Geometry helps students to understand math through mastery learning, helping them to solidify each concept before moving on the next. A copy of the print materials needed for this module is included along with DVD instructions.

Module D in Videotext Geometry covers:

• Basic Definitions (Triangle Parts, Triangle Types)
• Basic Theorems (Sum of the Angles, Exterior Angle)
• Similarity Part 1 (Ratio and Proportion, Special Properties, Side Splitter, Perimeters of Similar Polygons)
• Similarity Part 2 (AAA Similarity, Ray Bisecting Angle, Alt. (Sim. Triangles), Alt. (to Hypotenuse), Pythagoras, Application: Right Triangles, Application: 3-Dimensions)
• Congruence Part 1 (Definition, SSS, SAS, ASA)
• Congruence Part 2 (Two Cong. to Third, Overlapping Triangles, CPCTC and CPCTE, Sides give Cong. Opp. Angles, Cong. Angles give Cong. Opp. Sides
• Congruence Part 3 (Ext. Ang. Greater than Remote Int., Sides not Congruent Opp. Ang. not Cong., Ang. not Congruent, Opp. Sides not Con., Sum of Two Sides Greater than Third)
• Unit test IV