Lessons - Geometry
Angles
Types of Angles
Classify Triangles by their Angles
Complementary Angles
Interior Angle - How to Find it with Regular Polygons
Exterior Angle - How to Find it with Regular Polygons
Parallel and Perpendicular Lines with a Transversal Line
Parallel and Perpendicular Lines with a Transversal Line - How to Find x to Solve for the Angle
Protractor - How to Measure an Angle
Supplementary Angles
Triangle - How to Find Missing Angle - Inside the Triangle
Triangle with Extended Angles - How to Find the Missing Angle - Inside and Outside the Triangle
Coordinate Geometry and Graphs
Labeling Points in All Quadrants
Linear Equations - How to Graph a Linear Equation
Linear Equations with a Restricted Domain on Both Sides - How to Graph
Midpoint Formula - How to Use to It
Plotting Points in All Quadrants
Slope - How to Find Slope Using a Graph
Slope - How to Find Slope Using the Formula
Standard Equations - How to Graph a Standard Equation
Circles
Arc Length in Radians
Arcs of a Circle - Major Arc vs Minor Arc
Area of a Sector of a Circle - Degrees
Area of a Sector of a Circle - Radians
Convert Degrees to Radians
Convert Radians to Degrees
Standard Equation for a Circle Worksheet
Tangent?
What is a Circle? Video
Circle Theorems
Circle Theorem - Inscribed Angle in a Semi-Circle is 90° Worksheet
Circle Theorem - Inscribed Angle Theorem Worksheet
Geometric Construction
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Geometry Formulas
Distance Formula - How to Use to It
Midpoint Formula - How to Use to It
Rectangles - Perimeter Formula
Geometric Transformations
Dilation Worksheet
Polygons
Area
Rectangles Area - Count with Grids
Rectangles Area - Formula Method with Grids
Rectangles - Area Formula Method without Grids
Trapezoids - Area - Formula Method
Perimeter
Rectangles - Perimeter with Grids
Rectangles - Perimeter Formula Method
Rectangles - Perimeter Scaling Up
Solid Geometry
Surface Area of a Cylinder Worksheet
Volume of a Cylinder Worksheet
Triangles
Classify Triangles by their Angles
Classify Triangles by their Sides
Law of Sines worksheet
Ambiguous Case - Law of Sines worksheet
Law of Cosines worksheet
Pythagorean Theorem - Why it Works worksheet
Pythagorean Theorem - Find the Missing Side
Pythagorean Theorem - Converse
Similar Triangles - What are they? worksheet
Similar Triangles - Find the Odd One Out
Triangle - How to Find Missing Angle - Inside the Triangle
Triangle with Extended Angles - How to Find the Missing Angle - Inside and Outside the Triangle