Video for lesson 9-5: Inscribed angles. Link to view the file. Video for Lesson 3-1: Definitions (Parallel and Skew Lines). Video for lesson 11-7: Ratios of perimeters and areas. Video for lessons 7-1 and 7-2: Ratios and Proportions. 6-4 additional practice answer key images. Video for lesson 4-7: Angle bisectors, medians, and altitudes. Video for lesson 12-5: Finding area and volume of similar figures. Video for lesson 11-4: Areas of regular polygons. Each subject's Additional Practice pages and answer keys are available below. Available with Spanish closed-captioning.
Chapter 3 and lesson 6-4 review. Video for Lesson 3-4: Angles of a Triangle (exterior angles). Video for lesson 7-6: Proportional lengths for similar triangles. Parallel Lines Activity.
Additional Materials. Algebra problems for the Pythagorean Theorem. Video for lesson 4-1: Congruent Figures. Song about parallelograms for review of properties. Answer Key for 12-3 and 12-4.
Video for lesson 1-3: Segments, Rays, and Distance. Practice worksheet for lesson 12-5. Notes for lesson 8-1 (part II). Answer Key for Prism Worksheet.
Video for lesson 3-5: Angles of Polygons (types of polygons). Geometry videos and extra resources. The quadrilateral family tree (5-1). Video for lesson 9-7: Finding the lengths of intersecting tangents and secants. Video for lesson 9-4: Arcs and chords. 6-4 additional practice answer key multimedia. Video for lesson 13-3: Identifying parallel and perpendicular lines by their slopes. Lesson 2-5 Activity. Video for lesson 12-4: Finding the surface area of composite figures. The quadrilateral properties chart (5-1).
Three different viewing windows let students review math concepts in the visual way that most helps them learn. EnVision A|G|A and enVision Integrated at Home. Answer key for the unit 8 review. Video for lesson 9-3: Arcs and central angles of circles. Video for lesson 9-6: Angles formed inside a circle but not at the center.
For more teaching assistance, please visit: enVision A|G|A: enVision Integrated: Please call 800-234-5832 or visit for additional assistance. Practice proofs for lesson 2-6. Video for lesson 9-2: Tangents of a circle. Video for lesson 13-5: Finding the midpoint of a segment using the midpoint formula. Video for lesson 3-2: Properties of Parallel Lines (alternate and same side interior angles). Application problems for 13-2, 13-3, and 13-6 (due Monday, January 30). Example Problems for lesson 1-4. Video for Lesson 3-5: Angles of Polygons (formulas for interior and exterior angles). Video for lesson 11-5: Areas between circles and squares. Video for lesson 11-8: Finding geometric probabilities using area. Lesson 6 practice problems answer key. Video for lesson 1-4: Angles (types of angles). Video for lesson 11-1: Finding perimeters of irregular shapes. Video for Lesson 4-5: Other Methods of Proving Triangles Congruent (HL). Video for lesson 13-1: Finding the center and radius of a circle using its equation.
If you don't know where you should start, your teacher might be able to help you. Chapter 9 circle dilemma problem (info and answer sheet). Online practice for triangle congruence proofs. Chapter 1: Naming points, lines, planes, and angles. Virtual practice with Pythagorean Theorem and using Trig Functions. Video for lesson 8-3: The converse of the Pythagorean theorem. Video for lesson 12-3: Finding the volume of a cone. Video for lesson 13-2: Finding the slope of a line given two points. English - United States (en_us). Video for lesson 8-7: Applications of trig functions. Video for Lesson 4-2: Some Ways to Prove Triangles Congruent (SSS, SAS, ASA).