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Geometry Video Lessons

Geometry Lessons:

Click on the title of each section to view a video lesson on it!

Chapter 1 Lessons:

1.1 – Identify Points, Lines, and Planes

1.2 – Use Segments and Congruence

1.3 – Midpoint and Distance Formula

1.4 – Measure and Classify Angles

1.5 – Describe Angle Pair Relationships

1.6 – Classify Polygons

Chapter 2 Lessons:

2.1 – Use Inductive Reasoning

2.2 – Analyze Conditional Statements

2.3 – Apply Deductive Reasoning

2.4 – Use postulates and Diagrams

2.5 – Reasoning using Properties from Algebra

2.6 – Prove Statements about Segments and Angles

2.7 – Prove Angle Pair Relationships

Chapter 3 Lessons:

3.1 – Identify Pairs of Lines and Angles

3.2 – Use Parallel Lines and Transversals

3.3 – Prove Lines are Parallel

3.6 – Prove Theorems about Perpendicular Lines

Chapter 4 Lessons:

4.1 – Apply Triangle Sum Properties

4.2 – Apply Congruence and Triangles

4.3 – Relate Transformations and Congruence

4.4 – Prove Triangles Congruent by SSS

4.5 – Prove Triangles Congruent by SAS and HL

4.6 – Prove Triangles Congruent by ASA and AAS

4.7 – Use Congruent Triangles

4.8 – Use Isosceles and Equilateral Triangles

4.9 – Perform Congruence Transformations

Chapter 9 Lessons:

9.1 – Translate Figures

9.3 – Perform Reflections

9.4 – Perform Rotations

9.5 – Composition Transformations

9.6 – Identify Symmetry

9.7 – Perform Dilations

Chapter 5 Lessons:
5.1 – Midsegments of a Triangle
5.2 – Perpendicular Bisectors
5.3 – Angle Bisectors
5.4 – Medians of a Triangle

Chapter 6 Lessons:

6.1 – Use Similar Polygons

6.3 – Prove Triangles Similar by AA

6.4 – Prove Triangles Similar by SSS and SAS

6.5 – Use Proportionality Theorems

6.2/6.6/9.7 – Dilations

Chapter 7 Lessons:

5.5 – Inequalities in Triangles

7.1 – Pythagorean Theorem

7.2 – Converse of the Pythagorean Theorem

7.4 – Special Right Triangles

7.5 – Tangent

7.6 – Sine and Cosine

7.7 – Solving Right Triangles

Chapter 8 Lessons

8.1 – Angle Measures in Polygons

3.4 – Parallel and Perpendicular Lines

8.2 – Use Properties of Parallelograms

8.3 – Show a Quadrilateral is a Parallelogram

8.4 – Properties of Rhombuses, Rectangles, and Squares

8.5 – Use Properties of Trapezoids

8.6 – Identify Special Quadrilaterals

Chapter 10 Lessons

10.1 – Use Properties of Tangents

10.2 – Find Arc Measures

10.3 – Properties of Chords

10.4 – Inscribed Angles

10.5 – Other Angle Relationships in Circles

10.6 – Find Segments Lengths in Circles

Chapter 11 Lessons

11.1 – Finding Circumference and Arc Length

11.2 – Area of Circles and Sectors

11.3 – Area of Regular Polygons

11.5 – Explore Solids

11.6 – Volumes of Prisms and Cylinders

11.7 – Volumes of Pyramids and Cones

11.8 – Volume and Surface Area of Spheres

11.9 – Explore Similar Solids